6C4D.10

ICD-11 MMS 2026-01

Harmful pattern of use of dissociative drugs including ketamine or PCP, episodic

Description

A pattern of episodic or intermittent use of dissociative drugs, including ketamine and phencyclidine (PCP), 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 use of dissociative drugs 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 dissociative drug intoxication on the part of the person to whom the diagnosis of Harmful pattern of use of dissociative drugs, including ketamine and PCP applies.

Index terms

  • Harmful pattern of use of dissociative drugs including ketamine or PCP, episodic

Excludes

  • 6C4D.0 – Episode of harmful use of dissociative drugs including ketamine or PCP
  • 6C4D.2 – Dissociative drug dependence including ketamine or PCP

Exclusions from above levels

  • QE11.7 – Hazardous use of dissociative drugs including ketamine or PCP
  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Sibling codes

  • 6C4D.11 – Harmful pattern of use of dissociative drugs including ketamine or PCP, continuous
  • 6C4D.1Z – Harmful pattern of use of dissociative drugs, including ketamine or PCP, unspecified

Foundation entity

Harmful pattern of use of dissociative drugs including ketamine or PCP, episodic – http://id.who.int/icd/entity/2059548662

Allowed postcoordination axes

Part of: 6C4D.1: Harmful pattern of use of dissociative drugs, including ketamine or PCP › 6C4D: Disorders due to use of dissociative drugs including ketamine or phencyclidine (PCP) › 06: Mental, behavioural or neurodevelopmental disorders