6C4E.1ICD-11 MMS 2026-01
Harmful pattern of use of other specified psychoactive substance
Description
A pattern of use of a specified psychoactive substance or medication that is not included in the other substance classes specifically identified under Disorders Due to Substance Use 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 substance use is evident over a period of at least 12 months if use is episodic or at least one month if use is continuous (i.e., daily or almost daily). 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 intoxication due to the specified substance or medication on the part of the person to whom the diagnosis of Harmful pattern of use of other specified psychoactive substance applies.
Excludes
Exclusions from above levels
Child codes
Sibling codes
6C4E.0– Episode of harmful use of other specified psychoactive substance6C4E.2– Other specified psychoactive substance dependence6C4E.3– Other specified psychoactive substance intoxication6C4E.4– Other specified psychoactive substance withdrawal6C4E.5– Delirium induced by other specified psychoactive substance including medications6C4E.6– Psychotic disorder induced by other specified psychoactive substance6C4E.7– Certain other specified psychoactive substance-induced mental or behavioural disorders6C4E.Y– Other specified disorders due to use of other specified psychoactive substances, including medications6C4E.Z– Disorders due to use of other specified psychoactive substances, including medications, unspecified
Foundation entity
Harmful pattern of use of other specified psychoactive substance – http://id.who.int/icd/entity/754209924
Allowed postcoordination axes
Part of: 6C4E: Disorders due to use of other specified psychoactive substances, including medications › 06: Mental, behavioural or neurodevelopmental disorders