ICD-11 definition : Ulnar hemimelia is a congenital ulnar deficiency of the forearm characterized by complete
or partial absence of the ulna bone.;
ICD-11 synonym : Longitudinal reduction defect of ulna;
ICD-11 inclusion : total absence of ulna; agenesis of ulna; congenital absence of ulna with or without absence of some, but not all, distal elements; congenital absence of ulna with or without absence of some distal elements; congenital absence of ulna;