LB99.8

ICD-11 MMS 2026-01

Split hand

Description

A condition caused by malformation of the hand during the antenatal period. This condition is characterised by a deep median cleft of the hand due to the absence of the central rays.

Index terms

  • Split hand
  • Lobster-claw hand
  • congenital cleft hand
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  • ectrodactyly
  • lobster claw deformity
  • lobster-claw hand, unspecified side
  • Split hand, unilateral
  • Split hand, 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
  • LB99.3 – Ulnar 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.Y – Other specified reduction defects of upper limb
  • LB99.Z – Reduction defects of upper limb, unspecified

Foundation entity

Split hand – http://id.who.int/icd/entity/924222970

Allowed postcoordination axes

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