Observation.component.code: Describes what was observed. Sometimes this is called the observation "code". SubstanceDefinition.code: Codes associated with the substance. MedicationStatement.adherence.code: Type of the adherence for the medication. ImagingSelection.code: Reason for referencing the selected content. DiagnosticReport.code: A code or name that describes this diagnostic report. CodeSystem.concept.concept.property.code: A code that is a reference to CodeSystem.property.code. ObservationDefinition.code: Describes what will be observed. Sometimes this is called the observation "name". Consent.provision.provision.code: If this code is found in an instance, then the provision applies. Medication.code: A code (or set of codes) that specify this medication, or a textual description if no code is available. Usage note: This could be a standard medication code such as a code from RxNorm, SNOMED CT, IDMP etc. It could also be a national or local formulary code, optionally with translations to other code systems. ServiceRequest.orderDetail.parameter.code: A value representing the additional detail or instructions for the order (e.g., catheter insertion, body elevation, descriptive device configuration and/or setting instructions). Measure.group.code: Indicates a meaning for the group. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing groups to be correlated across measures. Task.code: A name or code (or both) briefly describing what the task involves. MeasureReport.group.code: The meaning of the population group as defined in the measure definition. ConceptMap.additionalAttribute.code: A code that is used to identify this additional data attribute. The code is used internally in ConceptMap.group.element.target.dependsOn.attribute and ConceptMap.group.element.target.product.attribute. Composition.section.code: A code identifying the kind of content contained within the section. This must be consistent with the section title. DeviceRequest.code: The details of the device to be used. Observation.code: Describes what was observed. Sometimes this is called the observation "name". NutritionProduct.code: A code that specifies the product or a textual description if no code is available. This could be such codes as a USDA Branded Food Products Database number, a USDA Food Data Central (FDC) ID number, Universal Product Code (UPC), a Langual code, or a country specific food database code. ValueSet.expansion.contains.contains.property.code: A code that is a reference to ValueSet.expansion.property.code. DocumentReference.relatesTo.code: The type of relationship that this document has with anther document. Questionnaire.code: An identifier for this collection of questions in a particular terminology such as LOINC. ExplanationOfBenefit.supportingInfo.code: System and code pertaining to the specific information regarding special conditions relating to the setting, treatment or patient for which care is sought. Questionnaire.item.item.code: A terminology code that corresponds to this group or question (e.g. a code from LOINC, which defines many questions and answers). Basic.code: Identifies the 'type' of resource - equivalent to the resource name for other resources. Flag.code: The coded value or textual component of the flag to display to the user. CompartmentDefinition.resource.code: The name of a resource supported by the server. OperationDefinition.code: The label that is recommended to be used in the URL for this operation. In some cases, servers may need to use a different CapabilityStatement operation.name to differentiate between multiple SearchParameters that happen to have the same code. SupplyRequest.parameter.code: A code or string that identifies the device detail being asserted. MedicationKnowledge.code: A code that specifies this medication, or a textual description if no code is available. Usage note: This could be a standard medication code such as a code from RxNorm, SNOMED CT, IDMP etc. It could also be a national or local formulary code, optionally with translations to other code systems. ConceptMap.property.code: A code that is used to identify the property. The code is used internally (in ConceptMap.group.element.target.property.code) and also in the $translate operation. Contract.term.group.asset.context.code: Coded representation of the context generally or of the Referenced entity, such as the asset holder type or location. ActivityDefinition.code: Detailed description of the type of activity; e.g. What lab test, what procedure, what kind of encounter. ImplementationGuide.definition.parameter.code: A tool-specific code that defines the parameter. EvidenceReport.subject.characteristic.code: Characteristic code. CodeSystem.concept.concept.code: A code - a text symbol - that uniquely identifies the concept within the code system. Group.characteristic.code: A code that identifies the kind of trait being asserted. CapabilityStatement.rest.resource.interaction.code: Coded identifier of the operation, supported by the system resource. TriggerDefinition.code: A code that identifies the event. ConceptMap.group.element.code: Identity (code or path) or the element/item being mapped. DataRequirement.codeFilter.code: The codes for the code filter. If values are given, the filter will return only those data items for which the code-valued attribute specified by the path has a value that is one of the specified codes. If codes are specified in addition to a value set, the filter returns items matching a code in the value set or one of the specified codes. ValueSet.compose.exclude.concept.code: Specifies a code for the concept to be included or excluded. PractitionerRole.code: Roles which this practitioner is authorized to perform for the organization. Transport.code: A name or code (or both) briefly describing what the transport involves. Measure.group.stratifier.component.code: Indicates a meaning for the stratifier component. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing stratifiers to be correlated across measures. Measure.term.code: A codeable representation of the defined term. CompartmentDefinition.code: Which compartment this definition describes. PackagedProductDefinition.legalStatusOfSupply.code: The actual status of supply. Conveys in what situation this package type may be supplied for use. MonetaryComponent.code: A codable breakdown of the type of monetary component. e.g. State Tax, Federal Tax, VIP-Discount. ConditionDefinition.precondition.code: Code for relevant Observation. UsageContext.code: A code that identifies the type of context being specified by this usage context. SearchParameter.code: The label that is recommended to be used in the URL or the parameter name in a parameters resource for this search parameter. In some cases, servers may need to use a different CapabilityStatement searchParam.name to differentiate between multiple SearchParameters that happen to have the same code. ElementDefinition.type.code: URL of Data type or Resource that is a(or the) type used for this element. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition e.g. "string" is a reference to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs are only allowed in logical models. Questionnaire.item.code: A terminology code that corresponds to this group or question (e.g. a code from LOINC, which defines many questions and answers). InventoryItem.code: Code designating the specific type of item. DetectedIssue.code: Identifies the specific type of issue identified. Ingredient.substance.code: A code or full resource that represents the ingredient's substance. Evidence.statistic.modelCharacteristic.code: Description of a component of the method to generate the statistic. MedicinalProductDefinition.code: A code that this product is known by, usually within some formal terminology, perhaps assigned by a third party (i.e. not the manufacturer or regulator). Products (types of medications) tend to be known by identifiers during development and within regulatory process. However when they are prescribed they tend to be identified by codes. The same product may be have multiple codes, applied to it by multiple organizations. Coding.code: A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination). CodeSystem.filter.code: The code that identifies this filter when it is used as a filter in [ValueSet](valueset.html#).compose.include.filter. RequestOrchestration.action.action.code: A code that provides meaning for the action or action group. For example, a section may have a LOINC code for a section of a documentation template. AdministrableProductDefinition.routeOfAdministration.targetSpecies.code: Coded expression for the species. ObservationDefinition.component.code: Describes what will be observed. DeviceRequest.parameter.code: A code or string that identifies the device detail being asserted. DeviceUsage.adherence.code: Type of adherence. A string which has at least one character and no leading or trailing whitespace and where there is no whitespace other than single spaces in the contents List.code: This code defines the purpose of the list - why it was created. ValueSet.expansion.property.code: A code that is used to identify the property. The code is used in ValueSet.expansion.contains.property.code. RequestOrchestration.code: A code that identifies what the overall request orchestration is. FormularyItem.code: A code (or set of codes) that specify the product or service that is identified by this formulary item. ValueSet.expansion.contains.property.subProperty.code: A code that is a reference to ValueSet.expansion.property.code. ImmunizationRecommendation.recommendation.dateCriterion.code: Date classification of recommendation. For example, earliest date to give, latest date to give, etc. AuditEvent.outcome.code: Indicates whether the event succeeded or failed. MessageDefinition.focus.code: The kind of resource that must be the focus for this message. Substance.code: A code (or set of codes) that identify this substance. Practitioner.qualification.code: Coded representation of the qualification. NutritionIntake.code: Overall type of nutrition intake. MeasureReport.group.stratifier.stratum.component.code: The code for the stratum component value. Account.procedure.code: The procedure relevant to the account. RiskAssessment.code: The type of the risk assessment performed. Group.code: Provides a specific type of resource the group includes; e.g. "cow", "syringe", etc. MessageHeader.response.code: Code that identifies the type of response to the message - whether it was successful or not, and whether it should be resent or not. ChargeItem.code: A code that identifies the charge, like a billing code. MeasureReport.group.population.code: The type of the population. MeasureReport.group.stratifier.stratum.population.code: The type of the population. FamilyMemberHistory.procedure.code: The actual procedure specified. Could be a coded procedure or a less specific string depending on how much is known about the procedure and the capabilities of the creating system. Organization.qualification.code: Coded representation of the qualification. CoverageEligibilityResponse.error.code: An error code,from a specified code system, which details why the eligibility check could not be performed. ConditionDefinition.code: Identification of the condition, problem or diagnosis. Measure.group.stratifier.code: Indicates a meaning for the stratifier. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing stratifiers to be correlated across measures. Quantity.code: A computer processable form of the unit in some unit representation system. ElementDefinition.code: A code that has the same meaning as the element in a particular terminology. CapabilityStatement.rest.interaction.code: A coded identifier of the operation, supported by the system. ChargeItemDefinition.code: The defined billing details in this resource pertain to the given billing code. DetectedIssue.evidence.code: A manifestation that led to the recording of this detected issue. ConceptMap.group.element.target.property.code: A reference to a mapping property defined in ConceptMap.property. HealthcareService.eligibility.code: Coded value for the eligibility. FamilyMemberHistory.condition.code: The actual condition, allergy, or intolerance specified. Could be a coded condition (like MI or Diabetes) or a less specific string like 'cancer' depending on how much is known about the condition and the capabilities of the creating system. SubstanceDefinition.code.code: The specific code. AdministrableProductDefinition.routeOfAdministration.code: Coded expression for the route. ValueSet.expansion.contains.contains.property.subProperty.code: A code that is a reference to ValueSet.expansion.property.code. ClaimResponse.error.code: An error code, from a specified code system, which details why the claim could not be adjudicated. AdverseEvent.code: Specific event that occurred or that was averted, such as patient fall, wrong organ removed, or wrong blood transfused. Procedure.code: The specific procedure that is performed. Use text if the exact nature of the procedure cannot be coded (e.g. "Laparoscopic Appendectomy"). MeasureReport.group.stratifier.code: The meaning of this stratifier, as defined in the measure definition. CodeSystem.property.code: A code that is used to identify the property. The code is used internally (in CodeSystem.concept.property.code) and also externally, such as in property filters. ImplementationGuide.definition.template.code: Type of template specified. Measure.group.population.code: The type of population criteria. OrganizationAffiliation.code: Definition of the role the participatingOrganization plays in the association. Measure.supplementalData.code: Indicates a meaning for the supplemental data. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing supplemental data to be correlated across measures. ValueSet.expansion.contains.code: The code for this item in the expansion hierarchy. If this code is missing the entry in the hierarchy is a place holder (abstract) and does not represent a valid code in the value set. Composition.section.section.code: A code identifying the kind of content contained within the section. This must be consistent with the section title. ConditionDefinition.medication.code: Code for relevant Medication. ResearchSubject.subjectState.code: Identifies the aspect of the subject's journey that the state refers to. TerminologyCapabilities.codeSystem.version.code: For version-less code systems, there should be a single version with no identifier. OperationOutcome.issue.code: Describes the type of the issue. The system that creates an OperationOutcome SHALL choose the most applicable code from the IssueType value set, and may additional provide its own code for the error in the details element. CodeSystem.concept.property.code: A code that is a reference to CodeSystem.property.code. ConceptMap.group.unmapped.code: The fixed code to use when the mode = 'fixed' - all unmapped codes are mapped to a single fixed code. TerminologyCapabilities.codeSystem.version.filter.code: Code of the property supported. EvidenceReport.relatesTo.code: The type of relationship that this composition has with anther composition or document. RequestOrchestration.action.code: A code that provides meaning for the action or action group. For example, a section may have a LOINC code for a section of a documentation template. Claim.supportingInfo.code: System and code pertaining to the specific information regarding special conditions relating to the setting, treatment or patient for which care is sought. ConceptMap.group.element.target.code: Identity (code or path) or the element/item that the map refers to. PlanDefinition.action.action.code: A code that provides a meaning, grouping, or classification for the action or action group. For example, a section may have a LOINC code for the section of a documentation template. In pharmaceutical quality, an action (Test) such as pH could be classified as a physical property. ValueSet.expansion.contains.property.code: A code that is a reference to ValueSet.expansion.property.code. Condition.code: Identification of the condition, problem or diagnosis. AllergyIntolerance.code: Code for an allergy or intolerance statement (either a positive or a negated/excluded statement). This may be a code for a substance or pharmaceutical product that is considered to be responsible for the adverse reaction risk (e.g., "Latex"), an allergy or intolerance condition (e.g., "Latex allergy"), or a negated/excluded code for a specific substance or class (e.g., "No latex allergy") or a general or categorical negated statement (e.g., "No known allergy", "No known drug allergies"). Note: the substance for a specific reaction may be different from the substance identified as the cause of the risk, but it must be consistent with it. For instance, it may be a more specific substance (e.g. a brand medication) or a composite product that includes the identified substance. It must be clinically safe to only process the 'code' and ignore the 'reaction.substance'. If a receiving system is unable to confirm that AllergyIntolerance.reaction.substance falls within the semantic scope of AllergyIntolerance.code, then the receiving system should ignore AllergyIntolerance.reaction.substance. SubstancePolymer.monomerSet.startingMaterial.code: The type of substance for this starting material. GraphDefinition.link.compartment.code: Identifies the compartment. Contract.term.asset.context.code: Coded representation of the context generally or of the Referenced entity, such as the asset holder type or location. ServiceRequest.code: A code or reference that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested. Consent.provision.code: If this code is found in an instance, then the provision applies. ValueSet.expansion.contains.contains.code: The code for this item in the expansion hierarchy. If this code is missing the entry in the hierarchy is a place holder (abstract) and does not represent a valid code in the value set. CodeSystem.concept.code: A code - a text symbol - that uniquely identifies the concept within the code system. ClinicalUseDefinition.warning.code: A coded or unformatted textual definition of this warning. PlanDefinition.action.code: A code that provides a meaning, grouping, or classification for the action or action group. For example, a section may have a LOINC code for the section of a documentation template. In pharmaceutical quality, an action (Test) such as pH could be classified as a physical property. InsuranceProduct.coverage.benefit.limit.code: The specific limit on the benefit. Timing.code: A code for the timing schedule (or just text in code.text). Some codes such as BID are ubiquitous, but many institutions define their own additional codes. If a code is provided, the code is understood to be a complete statement of whatever is specified in the structured timing data, and either the code or the data may be used to interpret the Timing, with the exception that .repeat.bounds still applies over the code (and is not contained in the code). ValueSet.compose.include.concept.code: Specifies a code for the concept to be included or excluded.

http://hl7.org/fhir/code

Observation.component.code: Describes what was observed. Sometimes this is called the observation "code".

SubstanceDefinition.code: Codes associated with the substance.

MedicationStatement.adherence.code: Type of the adherence for the medication.

ImagingSelection.code: Reason for referencing the selected content.

DiagnosticReport.code: A code or name that describes this diagnostic report.

CodeSystem.concept.concept.property.code: A code that is a reference to CodeSystem.property.code.

ObservationDefinition.code: Describes what will be observed. Sometimes this is called the observation "name".

Consent.provision.provision.code: If this code is found in an instance, then the provision applies.

Medication.code: A code (or set of codes) that specify this medication, or a textual description if no code is available. Usage note: This could be a standard medication code such as a code from RxNorm, SNOMED CT, IDMP etc. It could also be a national or local formulary code, optionally with translations to other code systems.

ServiceRequest.orderDetail.parameter.code: A value representing the additional detail or instructions for the order (e.g., catheter insertion, body elevation, descriptive device configuration and/or setting instructions).

Measure.group.code: Indicates a meaning for the group. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing groups to be correlated across measures.

Task.code: A name or code (or both) briefly describing what the task involves.

MeasureReport.group.code: The meaning of the population group as defined in the measure definition.

ConceptMap.additionalAttribute.code: A code that is used to identify this additional data attribute. The code is used internally in ConceptMap.group.element.target.dependsOn.attribute and ConceptMap.group.element.target.product.attribute.

Composition.section.code: A code identifying the kind of content contained within the section. This must be consistent with the section title.

DeviceRequest.code: The details of the device to be used.

Observation.code: Describes what was observed. Sometimes this is called the observation "name".

NutritionProduct.code: A code that specifies the product or a textual description if no code is available. This could be such codes as a USDA Branded Food Products Database number, a USDA Food Data Central (FDC) ID number, Universal Product Code (UPC), a Langual code, or a country specific food database code.

ValueSet.expansion.contains.contains.property.code: A code that is a reference to ValueSet.expansion.property.code.

DocumentReference.relatesTo.code: The type of relationship that this document has with anther document.

Questionnaire.code: An identifier for this collection of questions in a particular terminology such as LOINC.

ExplanationOfBenefit.supportingInfo.code: System and code pertaining to the specific information regarding special conditions relating to the setting, treatment or patient for which care is sought.

Questionnaire.item.item.code: A terminology code that corresponds to this group or question (e.g. a code from LOINC, which defines many questions and answers).

Basic.code: Identifies the 'type' of resource - equivalent to the resource name for other resources.

Flag.code: The coded value or textual component of the flag to display to the user.

CompartmentDefinition.resource.code: The name of a resource supported by the server.

OperationDefinition.code: The label that is recommended to be used in the URL for this operation. In some cases, servers may need to use a different CapabilityStatement operation.name to differentiate between multiple SearchParameters that happen to have the same code.

SupplyRequest.parameter.code: A code or string that identifies the device detail being asserted.

MedicationKnowledge.code: A code that specifies this medication, or a textual description if no code is available. Usage note: This could be a standard medication code such as a code from RxNorm, SNOMED CT, IDMP etc. It could also be a national or local formulary code, optionally with translations to other code systems.

ConceptMap.property.code: A code that is used to identify the property. The code is used internally (in ConceptMap.group.element.target.property.code) and also in the $translate operation.

Contract.term.group.asset.context.code: Coded representation of the context generally or of the Referenced entity, such as the asset holder type or location.

ActivityDefinition.code: Detailed description of the type of activity; e.g. What lab test, what procedure, what kind of encounter.

ImplementationGuide.definition.parameter.code: A tool-specific code that defines the parameter.

EvidenceReport.subject.characteristic.code: Characteristic code.

CodeSystem.concept.concept.code: A code - a text symbol - that uniquely identifies the concept within the code system.

Group.characteristic.code: A code that identifies the kind of trait being asserted.

CapabilityStatement.rest.resource.interaction.code: Coded identifier of the operation, supported by the system resource.

TriggerDefinition.code: A code that identifies the event.

ConceptMap.group.element.code: Identity (code or path) or the element/item being mapped.

DataRequirement.codeFilter.code: The codes for the code filter. If values are given, the filter will return only those data items for which the code-valued attribute specified by the path has a value that is one of the specified codes. If codes are specified in addition to a value set, the filter returns items matching a code in the value set or one of the specified codes.

ValueSet.compose.exclude.concept.code: Specifies a code for the concept to be included or excluded.

PractitionerRole.code: Roles which this practitioner is authorized to perform for the organization.

Transport.code: A name or code (or both) briefly describing what the transport involves.

Measure.group.stratifier.component.code: Indicates a meaning for the stratifier component. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing stratifiers to be correlated across measures.

Measure.term.code: A codeable representation of the defined term.

CompartmentDefinition.code: Which compartment this definition describes.

PackagedProductDefinition.legalStatusOfSupply.code: The actual status of supply. Conveys in what situation this package type may be supplied for use.

MonetaryComponent.code: A codable breakdown of the type of monetary component. e.g. State Tax, Federal Tax, VIP-Discount.

ConditionDefinition.precondition.code: Code for relevant Observation.

UsageContext.code: A code that identifies the type of context being specified by this usage context.

SearchParameter.code: The label that is recommended to be used in the URL or the parameter name in a parameters resource for this search parameter. In some cases, servers may need to use a different CapabilityStatement searchParam.name to differentiate between multiple SearchParameters that happen to have the same code.

ElementDefinition.type.code: URL of Data type or Resource that is a(or the) type used for this element. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition e.g. "string" is a reference to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs are only allowed in logical models.

Questionnaire.item.code: A terminology code that corresponds to this group or question (e.g. a code from LOINC, which defines many questions and answers).

InventoryItem.code: Code designating the specific type of item.

DetectedIssue.code: Identifies the specific type of issue identified.

Ingredient.substance.code: A code or full resource that represents the ingredient's substance.

Evidence.statistic.modelCharacteristic.code: Description of a component of the method to generate the statistic.

MedicinalProductDefinition.code: A code that this product is known by, usually within some formal terminology, perhaps assigned by a third party (i.e. not the manufacturer or regulator). Products (types of medications) tend to be known by identifiers during development and within regulatory process. However when they are prescribed they tend to be identified by codes. The same product may be have multiple codes, applied to it by multiple organizations.

Coding.code: A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination).

CodeSystem.filter.code: The code that identifies this filter when it is used as a filter in [ValueSet](valueset.html#).compose.include.filter.

RequestOrchestration.action.action.code: A code that provides meaning for the action or action group. For example, a section may have a LOINC code for a section of a documentation template.

AdministrableProductDefinition.routeOfAdministration.targetSpecies.code: Coded expression for the species.

ObservationDefinition.component.code: Describes what will be observed.

DeviceRequest.parameter.code: A code or string that identifies the device detail being asserted.

DeviceUsage.adherence.code: Type of adherence.

A string which has at least one character and no leading or trailing whitespace and where there is no whitespace other than single spaces in the contents

List.code: This code defines the purpose of the list - why it was created.

ValueSet.expansion.property.code: A code that is used to identify the property. The code is used in ValueSet.expansion.contains.property.code.

RequestOrchestration.code: A code that identifies what the overall request orchestration is.

FormularyItem.code: A code (or set of codes) that specify the product or service that is identified by this formulary item.

ValueSet.expansion.contains.property.subProperty.code: A code that is a reference to ValueSet.expansion.property.code.

ImmunizationRecommendation.recommendation.dateCriterion.code: Date classification of recommendation. For example, earliest date to give, latest date to give, etc.

AuditEvent.outcome.code: Indicates whether the event succeeded or failed.

MessageDefinition.focus.code: The kind of resource that must be the focus for this message.

Substance.code: A code (or set of codes) that identify this substance.

Practitioner.qualification.code: Coded representation of the qualification.

NutritionIntake.code: Overall type of nutrition intake.

MeasureReport.group.stratifier.stratum.component.code: The code for the stratum component value.

Account.procedure.code: The procedure relevant to the account.

RiskAssessment.code: The type of the risk assessment performed.

Group.code: Provides a specific type of resource the group includes; e.g. "cow", "syringe", etc.

MessageHeader.response.code: Code that identifies the type of response to the message - whether it was successful or not, and whether it should be resent or not.

ChargeItem.code: A code that identifies the charge, like a billing code.

MeasureReport.group.population.code: The type of the population.

MeasureReport.group.stratifier.stratum.population.code: The type of the population.

FamilyMemberHistory.procedure.code: The actual procedure specified. Could be a coded procedure or a less specific string depending on how much is known about the procedure and the capabilities of the creating system.

Organization.qualification.code: Coded representation of the qualification.

CoverageEligibilityResponse.error.code: An error code,from a specified code system, which details why the eligibility check could not be performed.

ConditionDefinition.code: Identification of the condition, problem or diagnosis.

Measure.group.stratifier.code: Indicates a meaning for the stratifier. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing stratifiers to be correlated across measures.

Quantity.code: A computer processable form of the unit in some unit representation system.

ElementDefinition.code: A code that has the same meaning as the element in a particular terminology.

CapabilityStatement.rest.interaction.code: A coded identifier of the operation, supported by the system.

ChargeItemDefinition.code: The defined billing details in this resource pertain to the given billing code.

DetectedIssue.evidence.code: A manifestation that led to the recording of this detected issue.

ConceptMap.group.element.target.property.code: A reference to a mapping property defined in ConceptMap.property.

HealthcareService.eligibility.code: Coded value for the eligibility.

FamilyMemberHistory.condition.code: The actual condition, allergy, or intolerance specified. Could be a coded condition (like MI or Diabetes) or a less specific string like 'cancer' depending on how much is known about the condition and the capabilities of the creating system.

SubstanceDefinition.code.code: The specific code.

AdministrableProductDefinition.routeOfAdministration.code: Coded expression for the route.

ValueSet.expansion.contains.contains.property.subProperty.code: A code that is a reference to ValueSet.expansion.property.code.

ClaimResponse.error.code: An error code, from a specified code system, which details why the claim could not be adjudicated.

AdverseEvent.code: Specific event that occurred or that was averted, such as patient fall, wrong organ removed, or wrong blood transfused.

Procedure.code: The specific procedure that is performed. Use text if the exact nature of the procedure cannot be coded (e.g. "Laparoscopic Appendectomy").

MeasureReport.group.stratifier.code: The meaning of this stratifier, as defined in the measure definition.

CodeSystem.property.code: A code that is used to identify the property. The code is used internally (in CodeSystem.concept.property.code) and also externally, such as in property filters.

ImplementationGuide.definition.template.code: Type of template specified.

Measure.group.population.code: The type of population criteria.

OrganizationAffiliation.code: Definition of the role the participatingOrganization plays in the association.

Measure.supplementalData.code: Indicates a meaning for the supplemental data. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing supplemental data to be correlated across measures.

ValueSet.expansion.contains.code: The code for this item in the expansion hierarchy. If this code is missing the entry in the hierarchy is a place holder (abstract) and does not represent a valid code in the value set.

Composition.section.section.code: A code identifying the kind of content contained within the section. This must be consistent with the section title.

ConditionDefinition.medication.code: Code for relevant Medication.

ResearchSubject.subjectState.code: Identifies the aspect of the subject's journey that the state refers to.

TerminologyCapabilities.codeSystem.version.code: For version-less code systems, there should be a single version with no identifier.

OperationOutcome.issue.code: Describes the type of the issue. The system that creates an OperationOutcome SHALL choose the most applicable code from the IssueType value set, and may additional provide its own code for the error in the details element.

CodeSystem.concept.property.code: A code that is a reference to CodeSystem.property.code.

ConceptMap.group.unmapped.code: The fixed code to use when the mode = 'fixed' - all unmapped codes are mapped to a single fixed code.

TerminologyCapabilities.codeSystem.version.filter.code: Code of the property supported.

EvidenceReport.relatesTo.code: The type of relationship that this composition has with anther composition or document.

RequestOrchestration.action.code: A code that provides meaning for the action or action group. For example, a section may have a LOINC code for a section of a documentation template.

Claim.supportingInfo.code: System and code pertaining to the specific information regarding special conditions relating to the setting, treatment or patient for which care is sought.

ConceptMap.group.element.target.code: Identity (code or path) or the element/item that the map refers to.

PlanDefinition.action.action.code: A code that provides a meaning, grouping, or classification for the action or action group. For example, a section may have a LOINC code for the section of a documentation template. In pharmaceutical quality, an action (Test) such as pH could be classified as a physical property.

ValueSet.expansion.contains.property.code: A code that is a reference to ValueSet.expansion.property.code.

Condition.code: Identification of the condition, problem or diagnosis.

AllergyIntolerance.code: Code for an allergy or intolerance statement (either a positive or a negated/excluded statement). This may be a code for a substance or pharmaceutical product that is considered to be responsible for the adverse reaction risk (e.g., "Latex"), an allergy or intolerance condition (e.g., "Latex allergy"), or a negated/excluded code for a specific substance or class (e.g., "No latex allergy") or a general or categorical negated statement (e.g., "No known allergy", "No known drug allergies"). Note: the substance for a specific reaction may be different from the substance identified as the cause of the risk, but it must be consistent with it. For instance, it may be a more specific substance (e.g. a brand medication) or a composite product that includes the identified substance. It must be clinically safe to only process the 'code' and ignore the 'reaction.substance'. If a receiving system is unable to confirm that AllergyIntolerance.reaction.substance falls within the semantic scope of AllergyIntolerance.code, then the receiving system should ignore AllergyIntolerance.reaction.substance.

SubstancePolymer.monomerSet.startingMaterial.code: The type of substance for this starting material.

GraphDefinition.link.compartment.code: Identifies the compartment.

Contract.term.asset.context.code: Coded representation of the context generally or of the Referenced entity, such as the asset holder type or location.

ServiceRequest.code: A code or reference that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.

Consent.provision.code: If this code is found in an instance, then the provision applies.

ValueSet.expansion.contains.contains.code: The code for this item in the expansion hierarchy. If this code is missing the entry in the hierarchy is a place holder (abstract) and does not represent a valid code in the value set.

CodeSystem.concept.code: A code - a text symbol - that uniquely identifies the concept within the code system.

ClinicalUseDefinition.warning.code: A coded or unformatted textual definition of this warning.

PlanDefinition.action.code: A code that provides a meaning, grouping, or classification for the action or action group. For example, a section may have a LOINC code for the section of a documentation template. In pharmaceutical quality, an action (Test) such as pH could be classified as a physical property.

InsuranceProduct.coverage.benefit.limit.code: The specific limit on the benefit.

Timing.code: A code for the timing schedule (or just text in code.text). Some codes such as BID are ubiquitous, but many institutions define their own additional codes. If a code is provided, the code is understood to be a complete statement of whatever is specified in the structured timing data, and either the code or the data may be used to interpret the Timing, with the exception that .repeat.bounds still applies over the code (and is not contained in the code).

ValueSet.compose.include.concept.code: Specifies a code for the concept to be included or excluded.

Observation.component.code: Describes what was observed. Sometimes this is called the observation "code".

SubstanceDefinition.code: Codes associated with the substance.

MedicationStatement.adherence.code: Type of the adherence for the medication.

ImagingSelection.code: Reason for referencing the selected content.

DiagnosticReport.code: A code or name that describes this diagnostic report.

CodeSystem.concept.concept.property.code: A code that is a reference to CodeSystem.property.code.

ObservationDefinition.code: Describes what will be observed. Sometimes this is called the observation "name".

Consent.provision.provision.code: If this code is found in an instance, then the provision applies.

Medication.code: A code (or set of codes) that specify this medication, or a textual description if no code is available. Usage note: This could be a standard medication code such as a code from RxNorm, SNOMED CT, IDMP etc. It could also be a national or local formulary code, optionally with translations to other code systems.

ServiceRequest.orderDetail.parameter.code: A value representing the additional detail or instructions for the order (e.g., catheter insertion, body elevation, descriptive device configuration and/or setting instructions).

Measure.group.code: Indicates a meaning for the group. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing groups to be correlated across measures.

Task.code: A name or code (or both) briefly describing what the task involves.

MeasureReport.group.code: The meaning of the population group as defined in the measure definition.

ConceptMap.additionalAttribute.code: A code that is used to identify this additional data attribute. The code is used internally in ConceptMap.group.element.target.dependsOn.attribute and ConceptMap.group.element.target.product.attribute.

Composition.section.code: A code identifying the kind of content contained within the section. This must be consistent with the section title.

DeviceRequest.code: The details of the device to be used.

Observation.code: Describes what was observed. Sometimes this is called the observation "name".

NutritionProduct.code: A code that specifies the product or a textual description if no code is available. This could be such codes as a USDA Branded Food Products Database number, a USDA Food Data Central (FDC) ID number, Universal Product Code (UPC), a Langual code, or a country specific food database code.

ValueSet.expansion.contains.contains.property.code: A code that is a reference to ValueSet.expansion.property.code.

DocumentReference.relatesTo.code: The type of relationship that this document has with anther document.

Questionnaire.code: An identifier for this collection of questions in a particular terminology such as LOINC.

ExplanationOfBenefit.supportingInfo.code: System and code pertaining to the specific information regarding special conditions relating to the setting, treatment or patient for which care is sought.

Questionnaire.item.item.code: A terminology code that corresponds to this group or question (e.g. a code from LOINC, which defines many questions and answers).

Basic.code: Identifies the 'type' of resource - equivalent to the resource name for other resources.

Flag.code: The coded value or textual component of the flag to display to the user.

CompartmentDefinition.resource.code: The name of a resource supported by the server.

OperationDefinition.code: The label that is recommended to be used in the URL for this operation. In some cases, servers may need to use a different CapabilityStatement operation.name to differentiate between multiple SearchParameters that happen to have the same code.

SupplyRequest.parameter.code: A code or string that identifies the device detail being asserted.

MedicationKnowledge.code: A code that specifies this medication, or a textual description if no code is available. Usage note: This could be a standard medication code such as a code from RxNorm, SNOMED CT, IDMP etc. It could also be a national or local formulary code, optionally with translations to other code systems.

ConceptMap.property.code: A code that is used to identify the property. The code is used internally (in ConceptMap.group.element.target.property.code) and also in the $translate operation.

Contract.term.group.asset.context.code: Coded representation of the context generally or of the Referenced entity, such as the asset holder type or location.

ActivityDefinition.code: Detailed description of the type of activity; e.g. What lab test, what procedure, what kind of encounter.

ImplementationGuide.definition.parameter.code: A tool-specific code that defines the parameter.

EvidenceReport.subject.characteristic.code: Characteristic code.

CodeSystem.concept.concept.code: A code - a text symbol - that uniquely identifies the concept within the code system.

Group.characteristic.code: A code that identifies the kind of trait being asserted.

CapabilityStatement.rest.resource.interaction.code: Coded identifier of the operation, supported by the system resource.

TriggerDefinition.code: A code that identifies the event.

ConceptMap.group.element.code: Identity (code or path) or the element/item being mapped.

DataRequirement.codeFilter.code: The codes for the code filter. If values are given, the filter will return only those data items for which the code-valued attribute specified by the path has a value that is one of the specified codes. If codes are specified in addition to a value set, the filter returns items matching a code in the value set or one of the specified codes.

ValueSet.compose.exclude.concept.code: Specifies a code for the concept to be included or excluded.

PractitionerRole.code: Roles which this practitioner is authorized to perform for the organization.

Transport.code: A name or code (or both) briefly describing what the transport involves.

Measure.group.stratifier.component.code: Indicates a meaning for the stratifier component. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing stratifiers to be correlated across measures.

Measure.term.code: A codeable representation of the defined term.

CompartmentDefinition.code: Which compartment this definition describes.

PackagedProductDefinition.legalStatusOfSupply.code: The actual status of supply. Conveys in what situation this package type may be supplied for use.

MonetaryComponent.code: A codable breakdown of the type of monetary component. e.g. State Tax, Federal Tax, VIP-Discount.

ConditionDefinition.precondition.code: Code for relevant Observation.

UsageContext.code: A code that identifies the type of context being specified by this usage context.

SearchParameter.code: The label that is recommended to be used in the URL or the parameter name in a parameters resource for this search parameter. In some cases, servers may need to use a different CapabilityStatement searchParam.name to differentiate between multiple SearchParameters that happen to have the same code.

ElementDefinition.type.code: URL of Data type or Resource that is a(or the) type used for this element. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition e.g. "string" is a reference to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs are only allowed in logical models.

Questionnaire.item.code: A terminology code that corresponds to this group or question (e.g. a code from LOINC, which defines many questions and answers).

InventoryItem.code: Code designating the specific type of item.

DetectedIssue.code: Identifies the specific type of issue identified.

Ingredient.substance.code: A code or full resource that represents the ingredient's substance.

Evidence.statistic.modelCharacteristic.code: Description of a component of the method to generate the statistic.

MedicinalProductDefinition.code: A code that this product is known by, usually within some formal terminology, perhaps assigned by a third party (i.e. not the manufacturer or regulator). Products (types of medications) tend to be known by identifiers during development and within regulatory process. However when they are prescribed they tend to be identified by codes. The same product may be have multiple codes, applied to it by multiple organizations.

Coding.code: A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination).

CodeSystem.filter.code: The code that identifies this filter when it is used as a filter in [ValueSet](valueset.html#).compose.include.filter.

RequestOrchestration.action.action.code: A code that provides meaning for the action or action group. For example, a section may have a LOINC code for a section of a documentation template.

AdministrableProductDefinition.routeOfAdministration.targetSpecies.code: Coded expression for the species.

ObservationDefinition.component.code: Describes what will be observed.

DeviceRequest.parameter.code: A code or string that identifies the device detail being asserted.

DeviceUsage.adherence.code: Type of adherence.

A string which has at least one character and no leading or trailing whitespace and where there is no whitespace other than single spaces in the contents

List.code: This code defines the purpose of the list - why it was created.

ValueSet.expansion.property.code: A code that is used to identify the property. The code is used in ValueSet.expansion.contains.property.code.

RequestOrchestration.code: A code that identifies what the overall request orchestration is.

FormularyItem.code: A code (or set of codes) that specify the product or service that is identified by this formulary item.

ValueSet.expansion.contains.property.subProperty.code: A code that is a reference to ValueSet.expansion.property.code.

ImmunizationRecommendation.recommendation.dateCriterion.code: Date classification of recommendation. For example, earliest date to give, latest date to give, etc.

AuditEvent.outcome.code: Indicates whether the event succeeded or failed.

MessageDefinition.focus.code: The kind of resource that must be the focus for this message.

Substance.code: A code (or set of codes) that identify this substance.

Practitioner.qualification.code: Coded representation of the qualification.

NutritionIntake.code: Overall type of nutrition intake.

MeasureReport.group.stratifier.stratum.component.code: The code for the stratum component value.

Account.procedure.code: The procedure relevant to the account.

RiskAssessment.code: The type of the risk assessment performed.

Group.code: Provides a specific type of resource the group includes; e.g. "cow", "syringe", etc.

MessageHeader.response.code: Code that identifies the type of response to the message - whether it was successful or not, and whether it should be resent or not.

ChargeItem.code: A code that identifies the charge, like a billing code.

MeasureReport.group.population.code: The type of the population.

MeasureReport.group.stratifier.stratum.population.code: The type of the population.

FamilyMemberHistory.procedure.code: The actual procedure specified. Could be a coded procedure or a less specific string depending on how much is known about the procedure and the capabilities of the creating system.

Organization.qualification.code: Coded representation of the qualification.

CoverageEligibilityResponse.error.code: An error code,from a specified code system, which details why the eligibility check could not be performed.

ConditionDefinition.code: Identification of the condition, problem or diagnosis.

Measure.group.stratifier.code: Indicates a meaning for the stratifier. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing stratifiers to be correlated across measures.

Quantity.code: A computer processable form of the unit in some unit representation system.

ElementDefinition.code: A code that has the same meaning as the element in a particular terminology.

CapabilityStatement.rest.interaction.code: A coded identifier of the operation, supported by the system.

ChargeItemDefinition.code: The defined billing details in this resource pertain to the given billing code.

DetectedIssue.evidence.code: A manifestation that led to the recording of this detected issue.

ConceptMap.group.element.target.property.code: A reference to a mapping property defined in ConceptMap.property.

HealthcareService.eligibility.code: Coded value for the eligibility.

FamilyMemberHistory.condition.code: The actual condition, allergy, or intolerance specified. Could be a coded condition (like MI or Diabetes) or a less specific string like 'cancer' depending on how much is known about the condition and the capabilities of the creating system.

SubstanceDefinition.code.code: The specific code.

AdministrableProductDefinition.routeOfAdministration.code: Coded expression for the route.

ValueSet.expansion.contains.contains.property.subProperty.code: A code that is a reference to ValueSet.expansion.property.code.

ClaimResponse.error.code: An error code, from a specified code system, which details why the claim could not be adjudicated.

AdverseEvent.code: Specific event that occurred or that was averted, such as patient fall, wrong organ removed, or wrong blood transfused.

Procedure.code: The specific procedure that is performed. Use text if the exact nature of the procedure cannot be coded (e.g. "Laparoscopic Appendectomy").

MeasureReport.group.stratifier.code: The meaning of this stratifier, as defined in the measure definition.

CodeSystem.property.code: A code that is used to identify the property. The code is used internally (in CodeSystem.concept.property.code) and also externally, such as in property filters.

ImplementationGuide.definition.template.code: Type of template specified.

Measure.group.population.code: The type of population criteria.

OrganizationAffiliation.code: Definition of the role the participatingOrganization plays in the association.

Measure.supplementalData.code: Indicates a meaning for the supplemental data. This can be as simple as a unique identifier, or it can establish meaning in a broader context by drawing from a terminology, allowing supplemental data to be correlated across measures.

ValueSet.expansion.contains.code: The code for this item in the expansion hierarchy. If this code is missing the entry in the hierarchy is a place holder (abstract) and does not represent a valid code in the value set.

Composition.section.section.code: A code identifying the kind of content contained within the section. This must be consistent with the section title.

ConditionDefinition.medication.code: Code for relevant Medication.

ResearchSubject.subjectState.code: Identifies the aspect of the subject's journey that the state refers to.

TerminologyCapabilities.codeSystem.version.code: For version-less code systems, there should be a single version with no identifier.

OperationOutcome.issue.code: Describes the type of the issue. The system that creates an OperationOutcome SHALL choose the most applicable code from the IssueType value set, and may additional provide its own code for the error in the details element.

CodeSystem.concept.property.code: A code that is a reference to CodeSystem.property.code.

ConceptMap.group.unmapped.code: The fixed code to use when the mode = 'fixed' - all unmapped codes are mapped to a single fixed code.

TerminologyCapabilities.codeSystem.version.filter.code: Code of the property supported.

EvidenceReport.relatesTo.code: The type of relationship that this composition has with anther composition or document.

RequestOrchestration.action.code: A code that provides meaning for the action or action group. For example, a section may have a LOINC code for a section of a documentation template.

Claim.supportingInfo.code: System and code pertaining to the specific information regarding special conditions relating to the setting, treatment or patient for which care is sought.

ConceptMap.group.element.target.code: Identity (code or path) or the element/item that the map refers to.

PlanDefinition.action.action.code: A code that provides a meaning, grouping, or classification for the action or action group. For example, a section may have a LOINC code for the section of a documentation template. In pharmaceutical quality, an action (Test) such as pH could be classified as a physical property.

ValueSet.expansion.contains.property.code: A code that is a reference to ValueSet.expansion.property.code.

Condition.code: Identification of the condition, problem or diagnosis.

AllergyIntolerance.code: Code for an allergy or intolerance statement (either a positive or a negated/excluded statement). This may be a code for a substance or pharmaceutical product that is considered to be responsible for the adverse reaction risk (e.g., "Latex"), an allergy or intolerance condition (e.g., "Latex allergy"), or a negated/excluded code for a specific substance or class (e.g., "No latex allergy") or a general or categorical negated statement (e.g., "No known allergy", "No known drug allergies"). Note: the substance for a specific reaction may be different from the substance identified as the cause of the risk, but it must be consistent with it. For instance, it may be a more specific substance (e.g. a brand medication) or a composite product that includes the identified substance. It must be clinically safe to only process the 'code' and ignore the 'reaction.substance'. If a receiving system is unable to confirm that AllergyIntolerance.reaction.substance falls within the semantic scope of AllergyIntolerance.code, then the receiving system should ignore AllergyIntolerance.reaction.substance.

SubstancePolymer.monomerSet.startingMaterial.code: The type of substance for this starting material.

GraphDefinition.link.compartment.code: Identifies the compartment.

Contract.term.asset.context.code: Coded representation of the context generally or of the Referenced entity, such as the asset holder type or location.

ServiceRequest.code: A code or reference that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.

Consent.provision.code: If this code is found in an instance, then the provision applies.

ValueSet.expansion.contains.contains.code: The code for this item in the expansion hierarchy. If this code is missing the entry in the hierarchy is a place holder (abstract) and does not represent a valid code in the value set.

CodeSystem.concept.code: A code - a text symbol - that uniquely identifies the concept within the code system.

ClinicalUseDefinition.warning.code: A coded or unformatted textual definition of this warning.

PlanDefinition.action.code: A code that provides a meaning, grouping, or classification for the action or action group. For example, a section may have a LOINC code for the section of a documentation template. In pharmaceutical quality, an action (Test) such as pH could be classified as a physical property.

InsuranceProduct.coverage.benefit.limit.code: The specific limit on the benefit.

Timing.code: A code for the timing schedule (or just text in code.text). Some codes such as BID are ubiquitous, but many institutions define their own additional codes. If a code is provided, the code is understood to be a complete statement of whatever is specified in the structured timing data, and either the code or the data may be used to interpret the Timing, with the exception that .repeat.bounds still applies over the code (and is not contained in the code).

ValueSet.compose.include.concept.code: Specifies a code for the concept to be included or excluded.

code

http://hl7.org/fhir/_code

code

http://hl7.org/fhir/w5#id

http://hl7.org/fhir/w5#class

http://hl7.org/fhir/w5#status

http://hl7.org/fhir/w5#why

http://hl7.org/fhir/w5#what

ValueSet.compose.include.concept.code: Code or expression from system

MedicationKnowledge.code: Code that identifies this medication

AuditEvent.outcome.code: Whether the event succeeded or failed

TriggerDefinition.code: Coded definition of the event

NutritionIntake.code: Code representing an overall type of nutrition intake

UsageContext.code: Type of context being specified

CompartmentDefinition.code: Patient | Encounter | RelatedPerson | Practitioner | Device | EpisodeOfCare

ChargeItem.code: A code that identifies the charge, like a billing code

Measure.group.stratifier.code: Meaning of the stratifier

CodeSystem.concept.concept.code: Code that identifies concept

Practitioner.qualification.code: Coded representation of the qualification

AdministrableProductDefinition.routeOfAdministration.code: Coded expression for the route

Observation.code: Type of observation (code / type)

Substance.code: What substance this is

MessageHeader.response.code: ok | transient-error | fatal-error

SearchParameter.code: Recommended name for parameter in search url

Medication.code: Codes that identify this medication

MessageDefinition.focus.code: Type of resource

Observation.component.code: Type of component observation (code / type)

CodeSystem.concept.code: Code that identifies concept

ElementDefinition.code: Corresponding codes in terminologies

Contract.term.asset.context.code: Codeable asset context

Account.procedure.code: The procedure relevant to the account

Claim.supportingInfo.code: Type of information

AdministrableProductDefinition.routeOfAdministration.targetSpecies.code: Coded expression for the species

AdverseEvent.code: Event or incident that occurred or was averted

Timing.code: C | BID | TID | QID | AM | PM | QD | QOD | +

InventoryItem.code: Code designating the specific type of item

MedicationStatement.adherence.code: Type of adherence

DataRequirement.codeFilter.code: What code is expected

PlanDefinition.action.code: Code representing the meaning of the action or sub-actions

Condition.code: Identification of the condition, problem or diagnosis

ChargeItemDefinition.code: Billing code or product type this definition applies to

GraphDefinition.link.compartment.code: Patient | Encounter | RelatedPerson | Practitioner | Device | EpisodeOfCare

Contract.term.group.asset.context.code: Codeable asset context

Composition.section.code: Classification of section (recommended)

DiagnosticReport.code: Name/Code for this diagnostic report

Group.code: Kind of Group members

RequestOrchestration.action.action.code: Code representing the meaning of the action or sub-actions

SubstanceDefinition.code.code: The specific code

InsuranceProduct.coverage.benefit.limit.code: Benefit limit details

FamilyMemberHistory.procedure.code: Procedures performed on the related person

ValueSet.expansion.contains.property.subProperty.code: Reference to ValueSet.expansion.property.code

ConceptMap.group.element.code: Identifies element being mapped

Transport.code: Transport Type

ValueSet.expansion.property.code: Identifies the property on the concepts, and when referred to in operations

DeviceUsage.adherence.code: always | never | sometimes

TerminologyCapabilities.codeSystem.version.filter.code: Code of the property supported

Basic.code: Kind of Resource

Measure.supplementalData.code: Meaning of the supplemental data

CodeSystem.concept.concept.property.code: Reference to CodeSystem.property.code

DetectedIssue.code: Specific type of detected issue, e.g. drug-drug, duplicate therapy, etc

FamilyMemberHistory.condition.code: Condition, allergy, or intolerance suffered by relation

TerminologyCapabilities.codeSystem.version.code: Version identifier for this version

MeasureReport.group.stratifier.stratum.component.code: What stratifier component of the group

Measure.group.population.code: initial-population | numerator | numerator-exclusion | denominator | denominator-exclusion | denominator-exception | measure-population | measure-population-exclusion | measure-observation

ServiceRequest.code: What is being requested/ordered

ClinicalUseDefinition.warning.code: A coded or unformatted textual definition of this warning

RiskAssessment.code: Type of assessment

NutritionProduct.code: A code that can identify the product

Ingredient.substance.code: A code or full resource that represents the ingredient substance

ImplementationGuide.definition.parameter.code: Code that identifies parameter

FormularyItem.code: Codes that identify this formulary item

ExplanationOfBenefit.supportingInfo.code: Type of information

ConditionDefinition.precondition.code: Code for relevant Observation

Composition.section.section.code: Classification of section (recommended)

Questionnaire.item.code: Corresponding concept for this item in a terminology

ConceptMap.group.unmapped.code: Fixed code when mode = fixed

OperationDefinition.code: Recommended name for operation in search url

Quantity.code: Coded form of the unit

MedicinalProductDefinition.code: A code that this product is known by, within some formal terminology

PlanDefinition.action.action.code: Code representing the meaning of the action or sub-actions

ServiceRequest.orderDetail.parameter.code: The detail of the order being requested

ObservationDefinition.component.code: Type of observation

AllergyIntolerance.code: Code that identifies the allergy or intolerance

DeviceRequest.code: Device requested

EvidenceReport.relatesTo.code: replaces | amends | appends | transforms | replacedWith | amendedWith | appendedWith | transformedWith

ResearchSubject.subjectState.code: candidate | in-prescreening | in-screening | eligible | ineligible | on-study | on-study-intervention | in-follow-up | off-study

ImmunizationRecommendation.recommendation.dateCriterion.code: Type of date

ConditionDefinition.medication.code: Code for relevant Medication

SubstanceDefinition.code: Codes associated with the substance

CodeSystem.filter.code: Code that identifies the filter

ValueSet.expansion.contains.contains.code: Code - if blank, this is not a selectable code

ActivityDefinition.code: Detail type of activity

PractitionerRole.code: Roles which this practitioner may perform

CodeSystem.concept.property.code: Reference to CodeSystem.property.code

HealthcareService.eligibility.code: Coded value for the eligibility

MonetaryComponent.code: Codes may be used to differentiate between kinds of taxes, surcharges, discounts etc.

CapabilityStatement.rest.interaction.code: transaction | batch | search-system | history-system

Coding.code: Symbol in syntax defined by the system

ElementDefinition.type.code: Data type or Resource (reference to definition)

ConceptMap.group.element.target.code: Code that identifies the target element

ImplementationGuide.definition.template.code: Type of template specified

ConditionDefinition.code: Identification of the condition, problem or diagnosis

RequestOrchestration.code: What's being requested/ordered

Measure.term.code: What term?

ConceptMap.property.code: Identifies the property on the mappings, and when referred to in the $translate operation

ValueSet.expansion.contains.code: Code - if blank, this is not a selectable code

ObservationDefinition.code: Type of observation

ValueSet.expansion.contains.contains.property.subProperty.code: Reference to ValueSet.expansion.property.code

ImagingSelection.code: Imaging Selection purpose text or code

MeasureReport.group.population.code: initial-population | numerator | numerator-exclusion | denominator | denominator-exclusion | denominator-exception | measure-population | measure-population-exclusion | measure-observation

SubstancePolymer.monomerSet.startingMaterial.code: The type of substance for this starting material

PackagedProductDefinition.legalStatusOfSupply.code: The actual status of supply. In what situation this package type may be supplied for use

MeasureReport.group.stratifier.stratum.population.code: initial-population | numerator | numerator-exclusion | denominator | denominator-exclusion | denominator-exception | measure-population | measure-population-exclusion | measure-observation

SupplyRequest.parameter.code: Item detail

OrganizationAffiliation.code: Definition of the role the participatingOrganization plays

Task.code: Task Type

DocumentReference.relatesTo.code: The relationship type with another document

MeasureReport.group.stratifier.code: What stratifier of the group

Measure.group.code: Meaning of the group

RequestOrchestration.action.code: Code representing the meaning of the action or sub-actions

CapabilityStatement.rest.resource.interaction.code: read | vread | update | update-conditional | patch | patch-conditional | delete | delete-conditional-single | delete-conditional-multiple | delete-history | delete-history-version | history-instance | history-type | create | create-conditional | search-type

DetectedIssue.evidence.code: Manifestation

ConceptMap.group.element.target.property.code: Reference to ConceptMap.property.code

List.code: What the purpose of this list is

Measure.group.stratifier.component.code: Meaning of the stratifier component

MeasureReport.group.code: Meaning of the group

ValueSet.expansion.contains.property.code: Reference to ValueSet.expansion.property.code

Procedure.code: Identification of the procedure

Group.characteristic.code: Kind of characteristic

DeviceRequest.parameter.code: Device detail

ClaimResponse.error.code: Error code detailing processing issues

Organization.qualification.code: Coded representation of the qualification

CompartmentDefinition.resource.code: Name of resource type

ValueSet.expansion.contains.contains.property.code: Reference to ValueSet.expansion.property.code

EvidenceReport.subject.characteristic.code: Characteristic code

CoverageEligibilityResponse.error.code: Error code detailing processing issues

ValueSet.compose.exclude.concept.code: Code or expression from system

Evidence.statistic.modelCharacteristic.code: Model specification

ConceptMap.additionalAttribute.code: Identifies this additional attribute through this resource

Questionnaire.code: Concept that represents the overall questionnaire

OperationOutcome.issue.code: Error or warning code

Consent.provision.code: e.g. LOINC or SNOMED CT code, etc. in the content

CodeSystem.property.code: Identifies the property on the concepts, and when referred to in operations

Questionnaire.item.item.code: Corresponding concept for this item in a terminology

Consent.provision.provision.code: e.g. LOINC or SNOMED CT code, etc. in the content

Flag.code: Coded or textual message to display to user

http://hl7.org/fhir/Primitive