6A70.5

ICD-11 MMS 2026-01

Single episode depressive disorder, unspecified severity

Description

Single episode depressive disorder, unspecified severity is diagnosed when the definitional requirements of a depressive episode have been met, there is no history of prior depressive episodes, and there is insufficient information to determine the severity of the current depressive episode. A depressive episode is characterised by a period of depressed mood or diminished interest in activities occurring most of the day, nearly every day during a period lasting at least two weeks accompanied by other symptoms such as difficulty concentrating, feelings of worthlessness or excessive or inappropriate guilt, hopelessness, recurrent thoughts of death or suicide, changes in appetite or sleep, psychomotor agitation or retardation, and reduced energy or fatigue. The symptoms are associated with at least some difficulty in continuing with ordinary work, social, or domestic activities.

Index terms

  • Single episode depressive disorder, unspecified severity

Exclusions from above levels

  • 6A71 – recurrent depressive disorder
  • 6B43 – Adjustment disorder
  • http://id.who.int/icd/entity/613065957 – Bipolar or related disorders
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  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Sibling codes

  • 6A70.0 – Single episode depressive disorder, mild
  • 6A70.1 – Single episode depressive disorder, moderate, without psychotic symptoms
  • 6A70.2 – Single episode depressive disorder, moderate, with psychotic symptoms
  • 6A70.3 – Single episode depressive disorder, severe, without psychotic symptoms
  • 6A70.4 – Single episode depressive disorder, severe, with psychotic symptoms
  • 6A70.6 – Single episode depressive disorder, currently in partial remission
  • 6A70.7 – Single episode depressive disorder, currently in full remission
  • 6A70.Y – Other specified single episode depressive disorder
  • 6A70.Z – Single episode depressive disorder, unspecified

Foundation entity

Single episode depressive disorder, unspecified severity – http://id.who.int/icd/entity/554273362

Allowed postcoordination axes

Part of: 6A70: Single episode depressive disorder › 06: Mental, behavioural or neurodevelopmental disorders