6A41

ICD-11 MMS 2026-01

Catatonia induced by substances or medications

Description

Catatonia induced by substances or medications is a syndrome of primarily psychomotor disturbances, characterized by the co-occurrence of several symptoms of decreased, increased, or abnormal psychomotor activity, which develops during or soon after intoxication or withdrawal from certain psychoactive substances, including phencyclidine (PCP), cannabis, hallucinogens such as mescaline or LSD, cocaine and MDMA or related drugs, or during the use of certain psychoactive and non-psychoactive medications (e.g. antipsychotic medications, benzodiazepines, steroids, disulfiram, ciprofloxacin).

Index terms

  • Catatonia induced by substances or medications
  • Catatonia induced by psychoactive substances, including medications
  • Catatonia induced by specified psychoactive substance or medication
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  • Catatonia induced by unknown or unspecified psychoactive substance

Excludes

  • 8A0Y – Neuroleptic malignant syndrome
  • 8D85 – Serotonin syndrome

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
  • 6A4Z – Catatonia, unspecified

Foundation entity

Catatonia induced by substances or medications – http://id.who.int/icd/entity/289492002

Allowed postcoordination axes

Part of: 06: Mental, behavioural or neurodevelopmental disorders