G23 is the ICD-10 code for Other degenerative diseases of basal ganglia. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block G20–G26 (Extrapyramidal and movement disorders) in Chapter VI, Diseases of the nervous system.
- Code type
- Category (3 characters)
- Chapter
- VI · G00–G99
- Classification
- WHO ICD-10, 2019 version
Subcodes of G23
- G23.0Hallervorden-Spatz disease
- G23.1Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]
- G23.2Multiple system atrophy, parkinsonian type [MSA-P]
- G23.3Multiple system atrophy, cerebellar type [MSA-C]
- G23.8Other specified degenerative diseases of basal ganglia
- G23.9Degenerative disease of basal ganglia, unspecified
G23 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DG23Andre degenerative sygdomme i basalganglier
G23Muut tyvitumakkeiden rappeutumissairaudet
G23Sonstige degenerative Krankheiten der Basalganglien
G23Autres maladies dégénératives des noyaux gris centraux
G23overige degeneratieve ziekten van basale ganglia
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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