LB90.3 Radio-ulnar synostosis

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

A condition caused by failure of the arm bones to correctly develop during the antenatal period. This condition is characterised by direct fusion of the ulnar and radial bones of the arm, and consequent limitation of rotational movement of the forearm. Confirmation is through observation of radio ulnar fusion by imaging.


Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.

Laterality  - only one may be selected


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