LB76 Triphalangeal thumb
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01
A condition caused by failure of the thumb to correctly develop during the antenatal period. This condition is characterised by a long, finger-like thumb with three phalanges instead of two. Isolated triphalangeal thumbs may be associated with genetic abnormality in the 7q36 region.
postcoordination
Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
Laterality - only one may be selected
synonyms
- Triphalangeal thumb
- Triphalangism
- Fingerlike thumb
- Triphalangeal thumb, unilateral
- Triphalangeal thumb, bilateral
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