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Start free with EleplanCentral polydactyly
ORPHA:295004Morphological anomaly
Also called Mesoaxial polydactyly
What it is
A rare congenital limb malformation characterized by complete or partial duplication of one of the three middle digits in a hand or foot. It most commonly affects the fourth digit. The malformation may be unilateral or bilateral and can occur as an isolated defect or in association with other anomalies.
Key facts
- Classified as
- Morphological anomaly
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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