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ICD-10 diagnosis code

G93.9 Disorder of brain, unspecified

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G93.9 is the ICD-10 code for Disorder of brain, unspecified. It is a four-character subcategory of G93 (Other disorders of brain), the most specific level in the WHO edition. It belongs to the block G90–G99 (Other disorders of the nervous system) in Chapter VI, Diseases of the nervous system.

Code type
Subcategory (4 characters)
Chapter
VI · G00–G99
Classification
WHO ICD-10, 2019 version

G93.9 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

G93.9Hjärnsjukdom, ospecificerad

NorwayICD-10-NO

G93.9Uspesifisert hjernelidelse

DenmarkICD-10-DK

DG939Hjernesygdom UNS

FinlandICD-10-FI

Listed through more specific codes:

  • G93.90Aivokuolema
  • G93.99Määrittämätön aivosairaus
GermanyICD-10-GM

G93.9Krankheit des Gehirns, nicht näher bezeichnet

FranceICD-10-FR

G93.9Affection du cerveau, sans précision

NetherlandsICD-10-NL

G93.9hersenaandoening, niet-gespecificeerd

United StatesICD-10-CM

G93.9Disorder of brain, unspecified

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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