6C4A.1Z

ICD-11 MMS 2026-01

Harmful pattern of use of nicotine, unspecified

Exclusions from above levels

  • 6C4A.0 – Episode of harmful use of nicotine
  • 6C4A.2 – Nicotine dependence
  • QE62 – Uncomplicated bereavement
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  • QE84 – Acute stress reaction

Sibling codes

  • 6C4A.10 – Harmful pattern of use of nicotine, episodic
  • 6C4A.11 – Harmful pattern of use of nicotine, continuous

Foundation entity

Harmful pattern of use of nicotine – http://id.who.int/icd/entity/299901355

Allowed postcoordination axes

Part of: 6C4A.1: Harmful pattern of use of nicotine › 6C4A: Disorders due to use of nicotine › 06: Mental, behavioural or neurodevelopmental disorders