Congenital pseudoarthrosis of the fibula

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Congenital pseudoarthrosis of the fibula

ORPHA:295022Clinical subtype

Also called Congenital pseudarthrosis of the fibula

What it is

A rare bone development disorder characterized by abnormal bowing of the fibula with subsequent non-healing fractures and formation of a false joint (pseudoarthrosis), and instability and angulation at the pseudoarthrosis site. The defect is typically unilateral and often associated with pseudoarthrosis of the tibia and neurofibromatosis type 1.

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 0017464UMLS C5679935

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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