6C41.0

ICD-11 MMS 2026-01

Episode of harmful use of cannabis

Description

An episode of use of cannabis 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 cannabis intoxication 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 cannabis use.

Index terms

  • Episode of harmful use of cannabis

Excludes

  • 6C41.1 – Harmful pattern of use of cannabis
  • 6C41.2 – Cannabis dependence

Exclusions from above levels

  • 6C42 – Disorders due to use of synthetic cannabinoids
  • QE11.1 – Hazardous use of cannabis
  • QE62 – Uncomplicated bereavement
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  • QE84 – Acute stress reaction

Sibling codes

  • 6C41.1 – Harmful pattern of use of cannabis
  • 6C41.2 – Cannabis dependence
  • 6C41.3 – Cannabis intoxication
  • 6C41.4 – Cannabis withdrawal
  • 6C41.5 – Cannabis-induced delirium
  • 6C41.6 – Cannabis-induced psychotic disorder
  • 6C41.7 – Certain specified cannabis-induced mental or behavioural disorders
  • 6C41.Y – Other specified disorders due to use of cannabis
  • 6C41.Z – Disorders due to use of cannabis, unspecified

Foundation entity

Episode of harmful use of cannabis – http://id.who.int/icd/entity/854520906

Allowed postcoordination axes

Part of: 6C41: Disorders due to use of cannabis › 06: Mental, behavioural or neurodevelopmental disorders