ICD-11 classes
22 Injury, poisoning or certain other consequences of...
Injuries to the wrist or hand
NC53 — Fracture at wrist or hand level
NC53.2 — Fracture of first metacarpal bone
ICD-11 NC53.2 — Fracture of first metacarpal bone
A break in the first metacarpal bone, that which is part of the thumb.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.