Docdemic

ICD-10 diagnosis code

G31.8 Other specified degenerative diseases of nervous system

This page in Swedish

G31.8 is the ICD-10 code for Other specified degenerative diseases of nervous system. 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 G31.8 includes

Conditions and terms that are coded here.

  • Grey-matter degeneration [Alpers]
  • Lewy body(ies)(dementia)(disease) F02.8
  • Subacute necrotizing encephalopathy [Leigh]

G31.8 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

G31.8Andra specificerade degenerativa sjukdomar i nervsystemet

  • G31.8ADegenerativa förändringar vid lewybodydemens
  • G31.8WAndra specificerade degenerativa sjukdomar i nervsystemet
NorwayICD-10-NO

G31.8Annen spesifisert degenerativ sykdom i sentralnervesystemet

DenmarkICD-10-DK

DG318Anden degenerativ sygdom i nervesystemet

  • DG318AAlpers' sygdom
  • DG318BHjernebarksdegeneration
  • DG318CSubakut nekrotiserende encefalopati
  • DG318ELewy body sygdom
FinlandICD-10-FI

G31.8Muu hermoston rappeutumissairaus

GermanyICD-10-GM

G31.8Sonstige näher bezeichnete degenerative Krankheiten des Nervensystems

  • G31.81Mitochondriale Zytopathie
  • G31.82Lewy-Körper-Krankheit
  • G31.88Sonstige näher bezeichnete degenerative Krankheiten des Nervensystems
FranceICD-10-FR

G31.8Autres affections dégénératives précisées du système nerveux

NetherlandsICD-10-NL

G31.8overige gespecificeerde degeneratieve ziekten van zenuwstelsel

United StatesICD-10-CM

Listed through more specific codes:

  • G31.80Leukodystrophy, unspecified
  • G31.81Alpers disease
  • G31.82Leigh's disease
  • G31.83Neurocognitive disorder with Lewy bodies
  • G31.84Mild cognitive impairment of uncertain or unknown etiology
  • G31.85Corticobasal degeneration
  • G31.86Alexander disease
  • G31.87Primary progressive apraxia of speech
  • and 1 more national subcodes

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.

Look up another code

Stop looking codes up by hand

Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.

Try Docdemic free