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SNOMED CT

Last uploaded: January 16, 2025
Details
Acronym SNOMEDCT
Visibility Public
Description

The US Edition of SNOMED CT combines the International Release of SNOMED CT and the US Extension of SNOMED CT

SNOMED CT provides the core general terminology for the electronic health record (EHR). The concepts have unique meanings and formal logic-based definitions organized into hierarchies. Each International Release includes the core of the terminology (concepts, descriptions, and relationships), together with works to support the implementation and use of SNOMED CT, including subsets, cross maps to existing classifications and coding schemes, and an extensive set of guidelines.

The US Extension to SNOMED CT included the concepts, descriptions, and relationships accepted by NLM as a formal extension to the SNOMED CT International Release. NLM no longer releases the standalone US Extension.

The US Edition of SNOMED CT includes more than 300,000 unique concepts. There are over 1,000,000 descriptions in SNOMED CT, including synonyms that can be used to refer to a concept. In addition, there are approximately 903,000 links or semantic relationships between the SNOMED CT concepts.
Status Production
Format UMLS
Contact NLM Customer Service, custserv@nlm.nih.gov
Categories Health
Groups Cancer Biomedical Informatics Grid, Unified Medical Language System
License InformationThis ontology is made available via the UMLS. Users of all UMLS ontologies must abide by the terms of the UMLS license.
Submissions
Version Released Uploaded
SNOMEDCT_US_2024_09_01 (Parsed, Indexed, Metrics, Annotator, Error Diff) 11/04/2024 01/16/2025
2024AA (Archived) 05/06/2024 08/28/2024
2023AB (Archived) 11/06/2023 01/31/2024
2023AA (Archived) 04/01/2023 08/07/2023
2022AB (Archived) 11/07/2022 01/06/2023
2022AA (Archived) 05/02/2022 06/10/2022
2021AB (Archived) 11/01/2021 11/18/2021
2021AA (Archived) 04/03/2021 05/20/2021
2020AB (Archived) 11/02/2020 01/06/2021
2020AA (Archived) 05/04/2018 09/24/2020
2019AB (Archived) 11/04/2019 11/18/2019
2019AA (Archived) 05/06/2019 08/27/2019
2018AB (Archived) 11/05/2018 04/29/2019
2018AA (Archived) 05/07/2018 07/06/2018
2017AB (Archived) 11/06/2017 07/06/2018
2017AA (Archived) 05/08/2017 04/06/2018
2016AB (Archived) 02/06/2017 02/06/2017
2016AA (Archived) 09/06/2016 09/06/2016
2015AB (Archived) 07/20/2016 07/20/2016
2015AA (Archived) 06/09/2015 06/09/2015
2014AB (Archived) 01/29/2015 01/29/2015
2014AA (Archived) 02/21/2014 02/21/2014
2013AA (Archived) 02/18/2014 02/18/2014
2013AA (Archived) 01/14/2014 01/14/2014
2013AA (Archived) 05/08/2013 09/25/2013
2011_01_31 (Archived) 01/31/2011 08/11/2011
2010_07_31 (Archived) 07/31/2010 11/09/2010
2010_01_31 (Archived) 01/31/2010 05/12/2010
2009_07_31 (Archived) 07/31/2009 01/05/2010
2009_01_31 (Archived) 01/31/2009 07/31/2009
more...
Views of SNOMEDCT
CCC Nursing Ontology
This is nursing diagnosis ontology of Clinical Care Classification
Cardiac-centered Frailty Ontology
This ontology is designed to cover the portions of reality relevant to assessing patient frailty. While we believe it to be relevant to frailty in general, during its development we were specifically focused on decisions relating to cardiac care. We gathered terms using existent instruments, physician interviews, and automated chart reviews. The hierarchical structure was taken from SNOMED-CT. We could not simply use SNOMED-CT because it is too exhaustive to be useful. We add entities where necessary to remain true to our data.
Drug-Induce Liver Injury (combined)
A SNOMED subset of terms related to histological and clinical descriptions of Drug Induced Liver Injury (DILI). See Wang et al., "A Unifying Ontology to Integrate Histological and Clinical Observations for Drug-Induce Liver Injury" The American Journal of Pathology, 182:4,1180-1187 (2013). This view contains both of the DILIo major branches; SNOMED:Body Structure and SNOMED:Clinical finding Some of the class names have been changed to correspond to the preferred names in SNOMED of 7/31/2011. In DILIo publication -> in this file; Disorder of liver -> Disease of liver; Finding of general form of body -> General form of body - finding; Finding of size of liver -> size of liver - finding; Subacute necrosis of liver -> subacute hepatic necrosis
Maternity_Test_Case2
Testing
MEdical LifeLog Ontology for people with disability
No description provided
SNOMED CT Standard Ontology Based on the Ontology for General Medical Science
The Systematized Nomenclature of Medicine Clinical Term Ontology (SCTO) attempts to create a basic OWL 2 ontology for SNOMED CT terminology. The ontology is built based on the Ontology of General Medical Science (OGMS). This ontology implements the SNOMED CT concept model by adding the appropriate axioms to its top-level concepts. The resulting ontology can prevent redundancies and inconsistencies in this large terminology. Moreover, the terminology maintenance can become more accurate. Finally, SNOMED CT can be used in a healthcare environment to create more complex post-coordinated expressions and constraints in a more accurate manner.
SNOMED Terminos Clinicos
SNOMED Terminos Clinicos (SNOMED CT), Edicion en Espanol, Distribucion Internacional, Octubre de 2008, 2009_04_30
Neoplasm_hamartoma
subset of snomed-ct regarding neoplasm and hamartoma
Neoplasm_breast_cancer
This a subset of Neoplasm_hamartoma view, based on Snomed clinical practice's used terms (Fondazione S.Maugeri anatomic pathology dep.). This subset is not to be meant exhaustive, it has been created in order to built a proper ontology for our project, ONCO-i2b2, through the NCBO Ontology Tools.
Snomed neoplasm, breast cancer
This a subset of snomed-ct regarding neoplasm and hamartoma, based on Snomed clinical practice's used terms (Fondazione S.Maugeri anatomic pathology dep.). This subset is not to be meant exhaustive, it has been created in order to built a proper ontology for our project, ONCO-i2b2, through the NCBO Ontology Tools.
Snomed, Body Structure
The Body Structure subtree in SNOMED-CT. It has been created in order to built a proper ontology for our project, ONCO-i2b2, through the NCBO Ontology Tools.
SNOMED Ethnic Group
Ethnic Group From SNOMED CT
SNOMED Anatomy
The Anatomy class subtree in SNOMED-CT based on SNOMED CT 2009.07.31
SNOMED Clinical Finding
Extract from SNOMED
SNOMED Organism
The Organism subtree in SNOMED-CT based on SNOMED-CT v. 2009.01.31
SNOMED Test Findings
The Test Findings subtree in SNOMED-CT based on SNOMED-CT v. 2009.01.31
SNOMED Morphologically Abnormal Structure
The Morphologically Abnormal Structure subtree of SNOMED CT
Reserved Acronym SNOMEDCT_US
Reserved acronym to prevent URI collusion with SNOMEDCT. see https://github.com/ncbo/bioportal-project/issues/198
Metrics
Classes 375,783
Individuals 0
Properties 246
Maximum depth 30
Maximum number of children 3,027
Average number of children 4
Classes with a single child 48,683
Classes with more than 25 children 3,114
Classes with no definition 367,146
Visits
Projects using SNOMEDCT

ACS-registry

ARRS GoldMiner

Educatioal Medical Materials Annotator

Epidemic Marketplace

Epidemiology Term Annotation

gilsnowmed

ICDmap

Integrative Genomics

International Fanconi Anemia Registry

ISA software suite

Kino

Lexigram

LogMap

Mapping of Norwegian national quality registries- Variabelbibliotek for medisinske kvalitetsregistre

Nomenclature for Anatomic Pathology

PMF_Foodmatrix

PractiKPharma

Radiology Gamuts Ontology

Rehabilita, Disruptive Technologies for the Rehabilitation of the Future

Semantic Indexing of French Biomedical Data Resources

SemGen

Socrates MD

TerminologyLinkingService

text mining psychiatric clinical notes

Jump to:
Id http://purl.bioontology.org/ontology/SNOMEDCT/289482006
http://purl.bioontology.org/ontology/SNOMEDCT/289482006
Preferred Name

Eruption of vulva
Synonyms
Vulval rash
Eruption of vulva (disorder)
Rash of vulva
Type http://www.w3.org/2002/07/owl#Class

All Properties

altLabel
Vulval rash
Eruption of vulva (disorder)
Rash of vulva
prefLabel
Eruption of vulva
Type ID
900000000000003001
900000000000013009
CASE SIGNIFICANCE ID
900000000000448009
notation
289482006
Effective time
20150731
Active
1
Has finding site
INACTIVATION INDICATOR
723277005
subClassOf
Semantic type UMLS property
type
Subset member
6011000124106~MAPRULE~IFA 721196005 | Pemphigus of vulva |
6011000124106~MAPRULE~IFA 721180007 | Lichen planopilaris of vulva (disorder) |
6011000124106~MAPPRIORITY~11
6011000124106~MAPADVICE~IF PEMPHIGUS OF VULVA AND IF AGE AT ONSET OF CLINICAL FINDING BEFORE 29.0 DAYS CHOOSE L01.03 | CONSIDER ADDITIONAL CODE TO IDENTIFY SPECIFIC CONDITION OR DISEASE | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPADVICE~ALWAYS R21
900000000000497000~MAPTARGET~Xa4X5
6011000124106~MAPTARGET~N90.89
6011000124106~MAPRULE~IFA 237112004 | Lichen planus of vulva |
447562003~MAPRULE~TRUE
6011000124106~MAPADVICE~IF LICHEN PLANOPILARIS OF VULVA CHOOSE L66.10 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPRULE~IFA 721196005 &#x7C; Pemphigus of vulva &#x7C; AND IFA 445518008 &#x7C; Age at onset of clinical finding (observable entity) &#x7C; < 29.0 days
6011000124106~MAPRULE~IFA 289483001 &#x7C; Scaling of vulva &#x7C;
6011000124106~MAPADVICE~IF HYPERKERATOSIS OF VULVA CHOOSE N90.4 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPTARGET~N76.2
900000000000490003~VALUEID~723277005
6011000124106~MAPTARGET~L43.0
6011000124106~MAPPRIORITY~7
6011000124106~MAPPRIORITY~4
6011000124106~MAPADVICE~MAP SOURCE CONCEPT CANNOT BE CLASSIFIED WITH AVAILABLE DATA
6011000124106~MAPTARGET~R21
6011000124106~MAPRULE~IFA 289485008 &#x7C; Erythema of vulva (finding) &#x7C; AND IFA 445518008 &#x7C; Age at onset of clinical finding (observable entity) &#x7C; < 29.0 days
6011000124106~MAPTARGET~
6011000124106~MAPCATEGORYID~447638001
6011000124106~MAPRULE~IFA 289483001 &#x7C; Scalling of vulva &#x7C;
6011000124106~MAPGROUP~1
6011000124106~MAPGROUP~2
6011000124106~MAPRULE~IFA 721196005 &#x7C; Pemphigus of vulva (disorder) &#x7C;
6011000124106~MAPPRIORITY~10
447562003~MAPADVICE~ALWAYS N90.8
6011000124106~MAPADVICE~IF ERYTHEMA OF VULVA CHOOSE L53.9 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPPRIORITY~8
6011000124106~MAPRULE~IFA 721180007 &#x7C; Lichen planopilaris of vulva &#x7C;
6011000124106~MAPADVICE~IF HYPERTROPHIC LICHEN PLANUS OF VULVA CHOOSE L43.0 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPRULE~IFA 289486009 &#x7C; Hyperkeratosis of vulva (finding) &#x7C;
6011000124106~MAPPRIORITY~12
900000000000508004~ACCEPTABILITYID~900000000000549004
6011000124106~MAPADVICE~IF APOCRINE MILIARIA OF VULVA CHOOSE L75.2 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
447562003~MAPGROUP~1
6011000124106~MAPTARGET~L75.2
6011000124106~MAPADVICE~IF SCALLING OF VULVA CHOOSE N90.89 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
447562003~CORRELATIONID~447561005
6011000124106~MAPCATEGORYID~447637006
6011000124106~MAPADVICE~IF LICHENIFICATION OF VULVA CHOOSE N90.4 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPADVICE~IF RASH OF VULVA CHOOSE N76.2 &#x7C; CONSIDER ADDITIONAL CODE TO IDENTIFY SPECIFIC CONDITION OR DISEASE &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
900000000000509007~ACCEPTABILITYID~900000000000548007
6011000124106~MAPTARGET~L66.10
6011000124106~MAPADVICE~IF ERYTHEMA OF VULVA AND IF AGE AT ONSET OF CLINICAL FINDING BEFORE 29.0 DAYS CHOOSE P83.88 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPRULE~IFA 289485008 &#x7C; Erythema of vulva &#x7C;
6011000124106~MAPTARGET~L66.1
6011000124106~MAPTARGET~N90.4
900000000000508004~ACCEPTABILITYID~900000000000548007
6011000124106~MAPADVICE~IF VULVOVAGINAL GINGIVAL SYNDROME CHOOSE L43.9 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPRULE~IFA 707250009 &#x7C; Vulvovaginal gingival syndrome &#x7C;
6011000124106~MAPTARGET~N77.1
6011000124106~MAPRULE~IFA 289484007 &#x7C; Lichenification of vulva &#x7C;
447562003~MAPPRIORITY~1
447562003~MAPADVICE~ALWAYS N76.6
6011000124106~MAPRULE~IFA 721196005 &#x7C; Pemphigus of vulva (disorder) &#x7C; AND IFA 445518008 &#x7C; Age at onset of clinical finding (observable entity) &#x7C; < 29.0 days
447562003~MAPCATEGORYID~447637006
6011000124106~MAPRULE~OTHERWISE TRUE
6011000124106~MAPPRIORITY~5
6011000124106~MAPRULE~IFA 721171007 &#x7C; Hypertrophic vulval lichen planus &#x7C;
6011000124106~MAPRULE~IFA 289487000 &#x7C; Purpura of vulva (finding) &#x7C;
6011000124106~MAPPRIORITY~9
6011000124106~MAPCATEGORYID~447639009
6011000124106~MAPRULE~IFA 289485008 &#x7C; Erythema of vulva &#x7C; AND IFA 445518008 &#x7C; Age at onset of clinical finding (observable entity) &#x7C; < 29.0 days
447562003~MAPTARGET~N76.6
6011000124106~MAPRULE~IFA 289483001 &#x7C; Scalling of vulva (finding) &#x7C;
6011000124106~MAPTARGET~P83.88
6011000124106~MAPRULE~IFA 289484007 &#x7C; Lichenification of vulva (finding) &#x7C;
6011000124106~MAPRULE~IFA 289485008 &#x7C; Erythema of vulva (finding) &#x7C;
6011000124106~MAPADVICE~IF EROSIVE LICHEN PLANUS OF VULVA CHOOSE L43.8 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPRULE~IFA 289486009 &#x7C; Hyperkeratosis of vulva &#x7C;
6011000124106~MAPRULE~IFA 721171007 &#x7C; Hypertrophic lichen planus of vulva (disorder) &#x7C;
6011000124106~MAPADVICE~IF LICHEN PLANUS OF VULVA CHOOSE N77.1 &#x7C; CONSIDER ADDITIONAL CODE TO IDENTIFY SPECIFIC CONDITION OR DISEASE &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPPRIORITY~1
6011000124106~MAPPRIORITY~6
6011000124106~MAPTARGET~L01.03
6011000124106~MAPADVICE~IF LICHEN PLANUS OF VULVA CHOOSE L43.9 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPTARGET~L53.9
6011000124106~CORRELATIONID~447561005
6011000124106~MAPADVICE~IF PEMPHIGUS OF VULVA CHOOSE L10.9 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPTARGET~L43.9
6011000124106~MAPADVICE~IF SCALING OF VULVA CHOOSE N90.89 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
447562003~MAPTARGET~N90.8
6011000124106~MAPTARGET~L43.8
6011000124106~MAPRULE~IFA 707250009 &#x7C; Vulvovaginal gingival syndrome (disorder) &#x7C;
6011000124106~MAPADVICE~IF HYPERTROPHIC VULVAL LICHEN PLANUS CHOOSE L43.0 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPRULE~TRUE
6011000124106~MAPPRIORITY~3
900000000000509007~ACCEPTABILITYID~900000000000549004
6011000124106~MAPADVICE~IF PURPURA OF VULVA CHOOSE N90.89 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPPRIORITY~2
6011000124106~MAPADVICE~IF LICHEN PLANOPILARIS OF VULVA CHOOSE L66.1 &#x7C; MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPRULE~IFA 238669003 &#x7C; Erosive lichen planus of vulva &#x7C;
6011000124106~MAPRULE~IFA 289487000 &#x7C; Purpura of vulva &#x7C;
6011000124106~MAPRULE~IFA 700127007 &#x7C; Rash of vulva (finding) &#x7C;
6011000124106~MAPTARGET~L10.9
6011000124106~MAPRULE~IFA 403373008 &#x7C; Apocrine miliaria of vulva &#x7C;
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DEFINITION STATUS ID
900000000000073002
tui
T033
CTV3ID
Xa4X5
cui
C0566912
Has associated morphology
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