6C4F

ICD-11 MMS 2026-01

Disorders due to use of multiple specified psychoactive substances, including medications

Description

Disorders due to use of multiple specified psychoactive substances, including medications are characterised by the pattern and consequences of multiple psychoactive substances. Although this grouping is provided for coding purposes, in most clinical situations it is recommended that multiple specific disorders due to substance use be assigned rather than using categories from this grouping.

Exclusions from above levels

  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Child codes

  • 6C4F.0 – Episode of harmful use of multiple specified psychoactive substances
  • 6C4F.1 – Harmful pattern of use of multiple specified psychoactive substances
  • 6C4F.2 – Multiple specified psychoactive substances dependence
  • 6C4F.3 – Intoxication due to multiple specified psychoactive substances
  • 6C4F.4 – Multiple specified psychoactive substances withdrawal
  • 6C4F.5 – Delirium induced by multiple specified psychoactive substances including medications
  • 6C4F.6 – Psychotic disorder induced by multiple specified psychoactive substances
  • 6C4F.7 – Certain multiple specified psychoactive substances-induced mental or behavioural disorders
  • 6C4F.Y – Other specified disorders due to use of multiple specified psychoactive substances, including medications
  • 6C4F.Z – Disorders due to use of multiple specified psychoactive substances, including medications, unspecified

Sibling codes

  • 6C40 – Disorders due to use of alcohol
  • 6C41 – Disorders due to use of cannabis
  • 6C42 – Disorders due to use of synthetic cannabinoids
  • 6C43 – Disorders due to use of opioids
  • 6C44 – Disorders due to use of sedatives, hypnotics or anxiolytics
  • 6C45 – Disorders due to use of cocaine
  • 6C46 – Disorders due to use of stimulants including amphetamines, methamphetamine or methcathinone
  • 6C47 – Disorders due to use of synthetic cathinones
  • 6C48 – Disorders due to use of caffeine
  • 6C49 – Disorders due to use of hallucinogens
  • 6C4A – Disorders due to use of nicotine
  • 6C4B – Disorders due to use of volatile inhalants
  • 6C4C – Disorders due to use of methylene-dioxymethamphetamine [MDMA] or related drugs, including methylene-dioxyamphetamine [MDA]
  • 6C4D – Disorders due to use of dissociative drugs including ketamine or phencyclidine (PCP)
  • 6C4E – Disorders due to use of other specified psychoactive substances, including medications
  • 6C4G – Disorders due to use of unknown or unspecified psychoactive substances
  • 6C4H – Disorders due to use of non-psychoactive substances
  • 6C4Y – Other specified disorders due to substance use
  • 6C4Z – Disorders due to substance use, unspecified

Foundation entity

Disorders due to use of multiple specified psychoactive substances, including medications – http://id.who.int/icd/entity/601226803

Allowed postcoordination axes

Part of: 06: Mental, behavioural or neurodevelopmental disorders