MB4B.5

ICD-11 MMS 2026-01

Dyscalculia

Description

Dyscalculia refers to acquired difficulty with performing simple mathematical calculations that is inconsistent with general level of intellectual functioning, with onset after the developmental period in individuals who had previously attained these skills, such as due to a stroke or other brain injury.

Index terms

  • Dyscalculia

Excludes

  • 6A03 – Developmental learning disorder

Exclusions from above levels

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

Sibling codes

Foundation entity

Dyscalculia – http://id.who.int/icd/entity/308101648

Part of: MB4B: Symbolic dysfunctions › 21: Symptoms, signs or clinical findings, not elsewhere classified