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ICD-10 diagnosis code

F20.4 Post-schizophrenic depression

This page in Swedish

F20.4 is the ICD-10 code for Post-schizophrenic depression. It is a four-character subcategory of F20 (Schizophrenia), the most specific level in the WHO edition. It belongs to the block F20–F29 (Schizophrenia, schizotypal and delusional disorders) in Chapter V, Mental and behavioural disorders.

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

Definition

A depressive episode, which may be prolonged, arising in the aftermath of a schizophrenic illness. Some schizophrenic symptoms, either "positive" or "negative", must still be present but they no longer dominate the clinical picture. These depressive states are associated with an increased risk of suicide. If the patient no longer has any schizophrenic symptoms, a depressive episode should be diagnosed (F32.-). If schizophrenic symptoms are still florid and prominent, the diagnosis should remain that of the appropriate schizophrenic subtype (F20.0-F20.3).

F20.4 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

F20.4Postschizofren depression

NorwayICD-10-NO

F20.4Post-schizofren depresjon

  • F20.40Kronisk post-schizofren depresjon
  • F20.41Episodisk post-schizofren depresjon med progredierende funksjonssvikt
  • F20.42Episodisk post-schizofren depresjon med stabil funksjonssvikt
  • F20.43Episodisk post-schizofren depresjon med remisjon
  • F20.44Post-schizofren depresjon med inkomplett remisjon
  • F20.45Post-schizofren depresjon med komplett remisjon
  • F20.48Post-schizofren depresjon med annet forløp
  • F20.49Post-schizofren depresjon med usikkert forløp eller for kort observasjonstid (<1 år)
DenmarkICD-10-DK

DF204Post-skizofren depression

  • DF2040Kontinuerlig post-skizofren depression
  • DF2041Episodisk post-skizofren depression med fremadskridende defekt
  • DF2042Episodisk post-skizofren depression med stabil defekt
  • DF2043Episodisk remitterende post-skizofren depression
  • DF2044Post-skizofren depression med inkomplet remission
  • DF2045Post-skizofren depression med komplet remission
  • DF2048Post-skizofren depression med andet forløb
  • DF2049Post-skizofren depression med ubestemt forløb
FinlandICD-10-FI

F20.4Skitsofrenian jälkeinen masennus

GermanyICD-10-GM

F20.4Postschizophrene Depression

FranceICD-10-FR

F20.4Dépression postschizophrénique

NetherlandsICD-10-NL

F20.4postschizofrene depressie

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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