Congenital pseudoarthrosis of the radius

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Congenital pseudoarthrosis of the radius

ORPHA:295024Clinical subtype

Also called Congenital pseudarthrosis of the radius

What it is

A rare bone development disorder characterized by abnormal bowing of the radius and subsequent non-healing fracture with formation of a false joint (pseudoarthrosis), instability and angulation at the pseudoarthrosis site, and shortening of the forearm. Additional signs and symptoms include radial deviation in the wrist joint and limited pronation and supination of the forearm. Neurofibromatosis type 1, osteofibrous dysplasia, and bowing and pseudoarthrosis of the ulna are frequently associated.

Key facts

Classified as
Clinical subtype

ICD-10 codes

Q74.0filed under a broader ICD-10 category — shared with 17 other rare diseases

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

MONDO 0017465UMLS C5679936

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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