MB4C

ICD-11 MMS 2026-01

Gerstmann syndrome

Description

Gerstmann syndrome is a very rare neurological disorder characterised by the specific association of acalculia, finger agnosia, left-right disorientation, and agraphia, which is supposed to be secondary to a focal subcortical white matter damage in the parietal lobe.

Index terms

  • Gerstmann syndrome

Excludes

  • 8E02.1 – Gerstmann-Straussler-Scheinker syndrome

Exclusions from above levels

  • 19 – Certain conditions originating in the perinatal period
  • JA66 – Clinical findings on antenatal screening of mother

Sibling codes

  • MB40 – Sensation disturbance
  • MB41 – Disturbances of smell or taste
  • MB42 – Phonophobia
  • MB43 – Dyssomnia
  • MB44 – Abnormalities of gait or mobility
  • MB45 – Lack of coordination
  • MB46 – Abnormal involuntary movements
  • MB47 – Abnormality of tonus or reflex
  • MB48 – Dizziness or giddiness
  • MB49 – Aura
  • MB4A – Apraxia
  • MB4B – Symbolic dysfunctions
  • MB4D – Headache, not elsewhere classified
  • MB60 – Sleeptalking
  • MB6Y – Other specified symptoms or signs involving the nervous system

Foundation entity

Gerstmann syndrome – http://id.who.int/icd/entity/1121787098

Part of: 21: Symptoms, signs or clinical findings, not elsewhere classified