6C4C.0

ICD-11 MMS 2026-01

Episode of harmful use of MDMA or related drugs, including MDA

Description

An episode of use of MDMA or related drugs, including MDA, 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 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 due to intoxication with MDMA or related drugs, including MDA, on the part of the person to whom the diagnosis of single episode of harmful use applies. This diagnosis should not be made if the harm is attributed to a known pattern of use of MDMA or related drugs, including MDA.

Index terms

  • Episode of harmful use of MDMA or related drugs, including MDA
  • Single episode of harmful use of ecstasy or related drugs

Excludes

  • 6C4C.1 – Harmful pattern of use of MDMA or related drugs, including MDA
  • 6C4C.2 – MDMA or related drug dependence, including MDA

Exclusions from above levels

  • QE11.6 – Hazardous use of MDMA or related drugs
  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Sibling codes

  • 6C4C.1 – Harmful pattern of use of MDMA or related drugs, including MDA
  • 6C4C.2 – MDMA or related drug dependence, including MDA
  • 6C4C.3 – MDMA or related drug intoxication, including MDA
  • 6C4C.4 – MDMA or related drug withdrawal, including MDA
  • 6C4C.5 – MDMA or related drug-induced delirium, including MDA
  • 6C4C.6 – MDMA or related drug-induced psychotic disorder, including MDA
  • 6C4C.7 – Certain specified MDMA or related drug-induced mental or behavioural disorders, including MDA
  • 6C4C.Y – Other specified disorders due to use of methylene-dioxymethamphetamine [MDMA] or related drugs, including methylene-dioxyamphetamine [MDA]
  • 6C4C.Z – Disorders due to use of methylene-dioxymethamphetamine [MDMA] or related drugs, including methylene-dioxyamphetamine [MDA], unspecified

Foundation entity

Episode of harmful use of MDMA or related drugs, including MDA – http://id.who.int/icd/entity/1334295394

Allowed postcoordination axes

Part of: 6C4C: Disorders due to use of methylene-dioxymethamphetamine [MDMA] or related drugs, including methylene-dioxyamphetamine [MDA] › 06: Mental, behavioural or neurodevelopmental disorders