6C4G.Z

ICD-11 MMS 2026-01

Disorders due to use of unknown or unspecified psychoactive substances, unspecified

Exclusions from above levels

  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Sibling codes

  • 6C4G.0 – Episode of harmful use of unknown or unspecified psychoactive substances
  • 6C4G.1 – Harmful pattern of use of unknown or unspecified psychoactive substance
  • 6C4G.2 – Unknown or unspecified psychoactive substance dependence
  • 6C4G.3 – Intoxication due to unknown or unspecified psychoactive substance
  • 6C4G.4 – Withdrawal due to unknown or unspecified psychoactive substance
  • 6C4G.5 – Delirium induced by unknown or unspecified psychoactive substance
  • 6C4G.6 – Psychotic disorder induced by unknown or unspecified psychoactive substance
  • 6C4G.7 – Certain unknown or unspecified psychoactive substance-induced mental or behavioural disorders
  • 6C4G.Y – Other specified disorders due to use of unknown or unspecified psychoactive substances

Foundation entity

Disorders due to use of unknown or unspecified psychoactive substances – http://id.who.int/icd/entity/1414319298

Allowed postcoordination axes

Part of: 6C4G: Disorders due to use of unknown or unspecified psychoactive substances › 06: Mental, behavioural or neurodevelopmental disorders