SNOMED CT, US Edition

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/SNOMEDCT/763535005
http://purl.bioontology.org/ontology/SNOMEDCT/763535005
Preferred Name

Hyperphalangy
Definitions
Hyperphalangy is a congenital, non-syndromic limb malformation characterised by the presence of an accessory phalanx between metacarpal/metatarsal and proximal phalanx, or between any two other phalanges of a digit, excluding the thumb. Hyperphalangy is almost always bilateral, and patients present no more than five digits and no other skeletal anomalies. Hyperphalangy is a congenital, non-syndromic limb malformation characterized by the presence of an accessory phalanx between metacarpal/metatarsal and proximal phalanx, or between any two other phalanges of a digit, excluding the thumb. Hyperphalangy is almost always bilateral, and patients present no more than five digits and no other skeletal anomalies. A congenital non-syndromic limb malformation with the presence of an accessory phalanx between metacarpal/metatarsal and proximal phalanx, or between any two other phalanges of a digit, excluding the thumb. Hyperphalangy is almost always bilateral and patients present no more than five digits and no other skeletal anomalies.
Synonyms
Supernumerary phalanx (disorder)
Supernumerary phalanx
Type http://www.w3.org/2002/07/owl#Class

All Properties

definition

Hyperphalangy is a congenital, non-syndromic limb malformation characterised by the presence of an accessory phalanx between metacarpal/metatarsal and proximal phalanx, or between any two other phalanges of a digit, excluding the thumb. Hyperphalangy is almost always bilateral, and patients present no more than five digits and no other skeletal anomalies.

Hyperphalangy is a congenital, non-syndromic limb malformation characterized by the presence of an accessory phalanx between metacarpal/metatarsal and proximal phalanx, or between any two other phalanges of a digit, excluding the thumb. Hyperphalangy is almost always bilateral, and patients present no more than five digits and no other skeletal anomalies.

A congenital non-syndromic limb malformation with the presence of an accessory phalanx between metacarpal/metatarsal and proximal phalanx, or between any two other phalanges of a digit, excluding the thumb. Hyperphalangy is almost always bilateral and patients present no more than five digits and no other skeletal anomalies.
prefLabel
Hyperphalangy
altLabel
Supernumerary phalanx (disorder)
Supernumerary phalanx
Type ID
900000000000003001
900000000000013009
Semantic type UMLS property
Has finding site
Effective time
20180731
cui
C4706507
Has pathological process
CTV3ID
XV1uQ
DEFINITION STATUS ID
900000000000073002
CASE SIGNIFICANCE ID
900000000000448009
Occurs in
tui
T019
Active
1
Has associated morphology
notation
763535005
type
subClassOf
Subset member
6011000124106~MAPRULE~IFA 715710001 | Polydactyly of triphalangeal thumb |
6011000124106~MAPADVICE~IF SCHMITT GILLENWATER KELLY SYNDROME CHOOSE M26.32 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPPRIORITY~11
6011000124106~MAPTARGET~Q69.1
6011000124106~MAPRULE~IFA 205354008 | Triphalangeal great toe |
6011000124106~MAPTARGET~Q74.2
447562003~MAPADVICE~ALWAYS Q69.9
447562003~MAPRULE~TRUE
6011000124106~MAPADVICE~IF TRIPHALANGEAL THUMB WITH BRACHYECTRODACTYLY SYNDROME CHOOSE Q68.1 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPADVICE~IF FINGER HYPERPHALANGY, TOE ANOMALIES, SEVERE PECTUS EXCAVATUM SYNDROME CHOOSE Q66.90 | CONSIDER LATERALITY SPECIFICATION | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPADVICE~IF TRIPHALANGEAL GREAT TOE CHOOSE Q66.89 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPPRIORITY~7
6011000124106~MAPPRIORITY~4
6011000124106~MAPADVICE~IF BILATERAL POLYDACTYLY OF A TRIPHALANGEAL THUMB CHOOSE Q69.1 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPRULE~IFA 716092007 | Schmitt Gillenwater Kelly syndrome |
6011000124106~MAPADVICE~IF TRIPHALANGEAL GREAT TOE CHOOSE Q74.2 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPADVICE~MAP SOURCE CONCEPT CANNOT BE CLASSIFIED WITH AVAILABLE DATA
6011000124106~MAPADVICE~ALWAYS Q69.9
900000000000497000~MAPTARGET~XV1uQ
6011000124106~MAPTARGET~
6011000124106~MAPCATEGORYID~447638001
6011000124106~MAPGROUP~1
6011000124106~MAPGROUP~2
6011000124106~MAPPRIORITY~10
6011000124106~MAPPRIORITY~8
6011000124106~MAPRULE~IFA 205308004 | Triphalangeal thumb |
6011000124106~MAPADVICE~IF POLYDACTYLY OF TRIPHALANGEAL THUMB CHOOSE Q69.1 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPTARGET~Q74.1
900000000000508004~ACCEPTABILITYID~900000000000549004
6011000124106~MAPADVICE~IF SCHMITT GILLENWATER KELLY SYNDROME CHOOSE Q71.899 | CONSIDER LATERALITY SPECIFICATION | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
447562003~MAPGROUP~1
6011000124106~MAPADVICE~IF FINGER HYPERPHALANGY, TOE ANOMALIES, SEVERE PECTUS EXCAVATUM SYNDROME CHOOSE Q74.2 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
447562003~CORRELATIONID~447561005
6011000124106~MAPRULE~IFA 782758009 | Finger hyperphalangy, toe anomalies, severe pectus excavatum syndrome |
6011000124106~MAPCATEGORYID~447637006
6011000124106~MAPRULE~IFA 733456002 | Triphalangeal thumb and dislocation of patella syndrome |
900000000000509007~ACCEPTABILITYID~900000000000548007
6011000124106~MAPADVICE~IF SCHMITT GILLENWATER KELLY SYNDROME CHOOSE Q74.0 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPADVICE~IF FINGER HYPERPHALANGY, TOE ANOMALIES, SEVERE PECTUS EXCAVATUM SYNDROME CHOOSE Q67.6 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
900000000000508004~ACCEPTABILITYID~900000000000548007
6011000124106~MAPADVICE~IF TRIPHALANGEAL THUMB AND POLYSYNDACTYLY SYNDROME CHOOSE Q74.0 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPTARGET~Q66.89
6011000124106~MAPRULE~IFA 897523003 | Bilateral triphalangeal thumb |
447562003~MAPPRIORITY~1
6011000124106~MAPADVICE~IF BILATERAL TRIPHALANGEAL THUMB CHOOSE Q74.0 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPTARGET~Q69.9
6011000124106~MAPRULE~IFA 719950001 | Triphalangeal thumb and polysyndactyly syndrome |
447562003~MAPCATEGORYID~447637006
447562003~MAPTARGET~Q69.9
6011000124106~MAPRULE~OTHERWISE TRUE
6011000124106~MAPPRIORITY~5
6011000124106~MAPADVICE~IF SCHMITT GILLENWATER KELLY SYNDROME CHOOSE Q54.9 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPGROUP~4
6011000124106~MAPADVICE~IF TRIPHALANGEAL THUMB CHOOSE Q74.0 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPPRIORITY~9
6011000124106~MAPTARGET~Q67.6
6011000124106~MAPTARGET~Q74.0
6011000124106~MAPCATEGORYID~447639009
6011000124106~MAPTARGET~Q66.90
6011000124106~MAPADVICE~IF TRIPHALANGEAL THUMB AND POLYSYNDACTYLY SYNDROME CHOOSE Q70.4 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPTARGET~M26.32
6011000124106~MAPPRIORITY~1
6011000124106~MAPADVICE~IF FINGER HYPERPHALANGY, TOE ANOMALIES, SEVERE PECTUS EXCAVATUM SYNDROME CHOOSE Q69.9 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPPRIORITY~6
6011000124106~MAPTARGET~Q54.9
6011000124106~CORRELATIONID~447561005
6011000124106~MAPTARGET~Q68.1
6011000124106~MAPTARGET~Q71.899
6011000124106~MAPRULE~IFA 890361001 | Bilateral polydactyly of a triphalangeal thumb |
6011000124106~MAPRULE~IFA 719951002 | Triphalangeal thumb with brachyectrodactyly syndrome |
6011000124106~MAPRULE~TRUE
6011000124106~MAPADVICE~IF TRIPHALANGEAL THUMB AND DISLOCATION OF PATELLA SYNDROME CHOOSE Q74.0 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPGROUP~3
6011000124106~MAPTARGET~Q70.4
6011000124106~MAPPRIORITY~3
900000000000509007~ACCEPTABILITYID~900000000000549004
6011000124106~MAPPRIORITY~2
6011000124106~MAPADVICE~IF TRIPHALANGEAL THUMB WITH BRACHYECTRODACTYLY SYNDROME CHOOSE Q74.0 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
6011000124106~MAPADVICE~IF TRIPHALANGEAL THUMB AND DISLOCATION OF PATELLA SYNDROME CHOOSE Q74.1 | MAP OF SOURCE CONCEPT IS CONTEXT DEPENDENT
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