NC53.2

ICD-11 MMS 2026-01

Fracture of first metacarpal bone

Description

A break in the first metacarpal bone, that which is part of the thumb.

Index terms

  • Fracture of first metacarpal bone
  • fracture of base of thumb
  • fracture of first metacarpal
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  • Fracture of base of first metacarpal bone extending into joint
  • Bennett fracture
  • Bennett fracture dislocation
  • Fracture of proximal end of first metacarpal bone extending into joint
  • Stave fracture
  • Comminuted fracture of base of first metacarpal bone extending into joint
  • Comminuted fracture of proximal end of first metacarpal bone extending into joint
  • Other fracture of base of first metacarpal bone
  • Fracture of shaft of first metacarpal bone
  • Fracture of neck of first metacarpal bone
  • Fracture of head of first metacarpal bone extending into joint

Exclusions from above levels

  • NC32.6 – fracture of distal parts of ulna and radius
  • http://id.who.int/icd/entity/152692065 – Frostbite
  • http://id.who.int/icd/entity/163532889 – Burns
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  • ND53 – Other injuries of arm, level unspecified
  • NE61 – Insect bite or sting, venomous
  • FB80.7 – Malunion of fracture
  • FB80.8 – Nonunion of fracture
  • FB80.A – Stress fracture, not elsewhere classified
  • FB80.B – Pathological fracture
  • http://id.who.int/icd/entity/624443803 – Birth injury
  • JB0A – Certain specified obstetric trauma

Sibling codes

  • NC53.0 – Fracture of scaphoid bone of hand
  • NC53.1 – Fracture of other carpal bone
  • NC53.3 – Fracture of other metacarpal bone
  • NC53.4 – Multiple fractures of metacarpal bones
  • NC53.5 – Fracture of thumb bone
  • NC53.6 – Fracture of other finger bone
  • NC53.7 – Multiple fractures of fingers
  • NC53.Y – Fracture at other specified part of wrist or hand level
  • NC53.Z – Fracture at wrist or hand level, unspecified

Foundation entity

Fracture of first metacarpal bone – http://id.who.int/icd/entity/373553108

Allowed postcoordination axes

Part of: NC53: Fracture at wrist or hand level › 22: Injury, poisoning or certain other consequences of external causes