LB99.3

ICD-11 MMS 2026-01

Ulnar hemimelia

Description

Ulnar hemimelia is a congenital ulnar deficiency of the forearm characterised by complete or partial absence of the ulna bone.

Index terms

  • Ulnar hemimelia
  • Longitudinal reduction defect of ulna
  • agenesis of ulna
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  • congenital absence of ulna
  • congenital absence of ulna with or without absence of some distal elements
  • congenital absence of ulna with or without absence of some, but not all, distal elements
  • total absence of ulna
  • Ulnar hemimelia, unilateral
  • Ulnar hemimelia, bilateral

Exclusions from above levels

  • http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Sibling codes

  • LB99.0 – Amelia of upper limb
  • LB99.1 – Humeral agenesis or hypoplasia
  • LB99.2 – Radial hemimelia
  • LB99.4 – Congenital absence of upper arm or forearm with hand present
  • LB99.5 – Congenital absence of both forearm and hand
  • LB99.6 – Acheiria
  • LB99.7 – Adactyly of hands
  • LB99.8 – Split hand
  • LB99.Y – Other specified reduction defects of upper limb
  • LB99.Z – Reduction defects of upper limb, unspecified

Foundation entity

Ulnar hemimelia – http://id.who.int/icd/entity/1136383237

Allowed postcoordination axes

Part of: LB99: Reduction defects of upper limb › 20: Developmental anomalies