6C4E.10

ICD-11 MMS 2026-01

Harmful pattern of use of other specified psychoactive substance, episodic

Description

A pattern of episodic or intermittent use of a specified psychoactive substance or medication that is not included in the other substance classes specifically identified under Disorders Due to Substance Abuse 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. The pattern of episodic substance use is evident over a period of at least 12 months. Harm to health of the individual occurs due to one or more of the following: (1) behaviour related to intoxication; (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 related to intoxication due to the specified substance or medication on the part of the person to whom the diagnosis of Harmful pattern of use of other specified psychoactive substance applies.

Index terms

  • Harmful pattern of use of other specified psychoactive substance, episodic

Excludes

  • 6C4E.0 – Episode of harmful use of other specified psychoactive substance
  • 6C4E.2 – Other specified psychoactive substance dependence

Exclusions from above levels

  • 6D72.12 – Amnestic disorder due to other specified psychoactive substance including medications
  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Sibling codes

  • 6C4E.11 – Harmful pattern of use of other specified psychoactive substance, continuous
  • 6C4E.1Z – Harmful pattern of use of other specified psychoactive substance, unspecified

Foundation entity

Harmful pattern of use of other specified psychoactive substance, episodic – http://id.who.int/icd/entity/1215969203

Allowed postcoordination axes

Part of: 6C4E.1: Harmful pattern of use of other specified psychoactive substance › 6C4E: Disorders due to use of other specified psychoactive substances, including medications › 06: Mental, behavioural or neurodevelopmental disorders