G30 is the ICD-10 code for Alzheimer disease. It is a three-character category divided into 4 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block G30–G32 (Other degenerative diseases of the nervous system) in Chapter VI, Diseases of the nervous system.
- Code type
- Category (3 characters)
- Chapter
- VI · G00–G99
- Classification
- WHO ICD-10, 2019 version
What G30 includes
Conditions and terms that are coded here.
- senile and presenile forms
What G30 excludes
Conditions that look similar but belong under another code.
Subcodes of G30
G30 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DG30Alzheimers sygdom
G30Alzheimerin tauti
G30Alzheimer-Krankheit
G30Maladie d'Alzheimer
G30ziekte van Alzheimer
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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