ICD-10 diagnosis code
G31 Other degenerative diseases of nervous system, not elsewhere classified
G31 is the ICD-10 code for Other degenerative diseases of nervous system, not elsewhere classified. It is a three-character category divided into 5 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 G31 excludes
Conditions that look similar but belong under another code.
- Reye syndrome G93.7
Subcodes of G31
G31 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DG31Andre degenerative sygdomme i nervesystemet IKA
G31Muualla luokittamattomat muut hermoston rappeutumissairaudet
G31Sonstige degenerative Krankheiten des Nervensystems, anderenorts nicht klassifiziert
G31Autres affections dégénératives du système nerveux, non classées ailleurs
G31overige degeneratieve ziekten van zenuwstelsel, niet elders geclassificeerd
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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