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ICD-10 diagnosis code

F31.8 Other bipolar affective disorders

This page in Swedish

F31.8 is the ICD-10 code for Other bipolar affective disorders. It is a four-character subcategory of F31 (Bipolar affective disorder), the most specific level in the WHO edition. It belongs to the block F30–F39 (Mood [affective] disorders) in Chapter V, Mental and behavioural disorders.

Code type
Subcategory (4 characters)
Chapter
V · F00–F99
Classification
WHO ICD-10, 2019 version

What F31.8 includes

Conditions and terms that are coded here.

  • Bipolar II disorder
  • Recurrent manic episodes NOS

F31.8 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

F31.8Andra specificerade bipolära sjukdomar

  • F31.8ABipolär sjukdom typ 2, hypoman episod
  • F31.8BBipolär sjukdom typ 2, lindrig eller medelsvår depressiv episod
  • F31.8CBipolär sjukdom typ 2, svår depressiv episod utan psykotiska symtom
  • F31.8DBipolär sjukdom typ 2, svår depressiv episod med psykotiska symtom
  • F31.8EBipolär sjukdom typ 2, blandad episod
  • F31.8FBipolär sjukdom typ 2, utan aktuella symtom
  • F31.8WBipolär sjukdom, annan specificerad
NorwayICD-10-NO

F31.8Annen spesifisert bipolar affektiv lidelse

DenmarkICD-10-DK

DF318Anden form for bipolar affektiv sindslidelse

  • DF318ABipolar type 2 affektiv sindslidelse
FinlandICD-10-FI

F31.8Muu kaksisuuntainen mielialahäiriö

GermanyICD-10-GM

F31.8Sonstige bipolare affektive Störungen

FranceICD-10-FR

F31.8Autres troubles affectifs bipolaires

NetherlandsICD-10-NL

F31.8overige gespecificeerde affectieve stoornissen, bipolair

United StatesICD-10-CM

Listed through more specific codes:

  • F31.81Bipolar II disorder
  • F31.89Other bipolar disorder

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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