6C43.1ICD-11 MMS 2026-01
Harmful pattern of use of opioids
Description
A pattern of use of opioids 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 opioid use is evident over a period of at least 12 months if substance 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 opioid intoxication on the part of the person to whom the diagnosis of Harmful pattern of use of opioids applies.
Excludes
Exclusions from above levels
Child codes
Sibling codes
6C43.0– Episode of harmful use of opioids6C43.2– Opioid dependence6C43.3– Opioid intoxication6C43.4– Opioid withdrawal6C43.5– Opioid-induced delirium6C43.6– Opioid-induced psychotic disorder6C43.7– Certain specified opioid-induced mental or behavioural disorders6C43.Y– Other specified disorders due to use of opioids6C43.Z– Disorders due to use of opioids, unspecified
Foundation entity
Harmful pattern of use of opioids – http://id.who.int/icd/entity/912365674
Allowed postcoordination axes
Part of: 6C43: Disorders due to use of opioids › 06: Mental, behavioural or neurodevelopmental disorders