6A4Z

ICD-11 MMS 2026-01

Catatonia, unspecified

Exclusions from above levels

  • NE60 – Harmful effects of drugs, medicaments or biological substances, not elsewhere classified
  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Sibling codes

  • 6A40 – Catatonia associated with another mental disorder
  • 6A41 – Catatonia induced by substances or medications

Foundation entity

Catatonia – http://id.who.int/icd/entity/486722075

Allowed postcoordination axes

Part of: 06: Mental, behavioural or neurodevelopmental disorders