6C4F.0

ICD-11 MMS 2026-01

Episode of harmful use of multiple specified psychoactive substances

Description

An episode of use of multiple specified psychoactive substances or medications that are not included in the other substance classes specifically identified under Disorder Due to Substance Use that has caused damage to a person’s physical or mental health or has resulted in behaviour leading to harm to the health of others. Harm to health of the individual occurs due to one or more of the following: (1) behaviour related to multiple substance intoxication or psychoactive medication use; (2) direct or secondary toxic effects on body organs and systems; or (3) a harmful route of administration. Harm to health of others includes any form of physical harm, including trauma, or mental disorder that is directly attributable to behaviour due to multiple substance intoxication or psychoactive medication use on the part of the person to whom the diagnosis of single episode of harmful use of multiple specified psychoactive substances applies. This diagnosis should not be made if the harm is attributed to a known pattern of use of the multiple psychoactive substances.

Index terms

  • Episode of harmful use of multiple specified psychoactive substances

Excludes

  • 6C4F.1 – Harmful pattern of use of multiple specified psychoactive substances
  • 6C4F.2 – Multiple specified psychoactive substances dependence

Exclusions from above levels

  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Sibling codes

  • 6C4F.1 – Harmful pattern of use of multiple specified psychoactive substances
  • 6C4F.2 – Multiple specified psychoactive substances dependence
  • 6C4F.3 – Intoxication due to multiple specified psychoactive substances
  • 6C4F.4 – Multiple specified psychoactive substances withdrawal
  • 6C4F.5 – Delirium induced by multiple specified psychoactive substances including medications
  • 6C4F.6 – Psychotic disorder induced by multiple specified psychoactive substances
  • 6C4F.7 – Certain multiple specified psychoactive substances-induced mental or behavioural disorders
  • 6C4F.Y – Other specified disorders due to use of multiple specified psychoactive substances, including medications
  • 6C4F.Z – Disorders due to use of multiple specified psychoactive substances, including medications, unspecified

Foundation entity

Episode of harmful use of multiple specified psychoactive substances – http://id.who.int/icd/entity/1729466996

Allowed postcoordination axes

Part of: 6C4F: Disorders due to use of multiple specified psychoactive substances, including medications › 06: Mental, behavioural or neurodevelopmental disorders