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ICD-10 diagnosis code

G31.1 Senile degeneration of brain, not elsewhere classified

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G31.1 is the ICD-10 code for Senile degeneration of brain, not elsewhere classified. It is a four-character subcategory of G31 (Other degenerative diseases of nervous system, not elsewhere classified), the most specific level in the WHO edition. It belongs to the block G30–G32 (Other degenerative diseases 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

What G31.1 excludes

Conditions that look similar but belong under another code.

G31.1 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

G31.1Senil degeneration av hjärnan som ej klassificeras på annan plats

NorwayICD-10-NO

G31.1Senil hjernedegenerasjon ikke klassifisert annet sted

DenmarkICD-10-DK

DG311Senil degeneration af hjernen IKA

FinlandICD-10-FI

G31.1Muualla luokittamaton aivojen seniili rappeuma

GermanyICD-10-GM

G31.1Senile Degeneration des Gehirns, anderenorts nicht klassifiziert

FranceICD-10-FR

G31.1Dégénérescence cérébrale sénile, non classée ailleurs

NetherlandsICD-10-NL

G31.1seniele hersendegeneratie, niet elders geclassificeerd

United StatesICD-10-CM

G31.1Senile degeneration of brain, not elsewhere classified

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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