Congenital pseudoarthrosis of the femur

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Congenital pseudoarthrosis of the femur

ORPHA:295020Clinical subtype

Also called Congenital pseudarthrosis of the femur

What it is

A rare bone development disorder characterized by abnormal bowing and subsequent non-healing fracture of the femur resulting in the formation of a false joint (pseudoarthrosis), which is already present at birth. The affected bone is shortened and angulated at the site of the pseudoarthrosis. Congenital hip dysplasia and absence of the patella have been reported in association.

Key facts

Classified as
Clinical subtype

ICD-10 codes

Q74.2filed under a broader ICD-10 category — shared with 9 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 0017463UMLS C5679939

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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