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ICD-10 diagnosis code

G21.8 Other secondary parkinsonism

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G21.8 is the ICD-10 code for Other secondary parkinsonism. It is a four-character subcategory of G21 (Secondary parkinsonism), the most specific level in the WHO edition. It belongs to the block G20–G26 (Extrapyramidal and movement disorders) in Chapter VI, Diseases of the nervous system.

Code type
Subcategory (4 characters)
Chapter
VI · G00–G99
Classification
WHO ICD-10, 2019 version

G21.8 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

G21.8Annan sekundär parkinsonism

NorwayICD-10-NO

G21.8Annen spesifisert sekundær parkinsonisme

DenmarkICD-10-DK

DG218Anden sekundær parkinsonisme

  • DG218AParkinsonismus arterioscleroticus
FinlandICD-10-FI

G21.8Muu sekundaarinen parkinsonismi

GermanyICD-10-GM

G21.8Sonstiges sekundäres Parkinson-Syndrom

FranceICD-10-FR

G21.8Autres syndromes parkinsoniens secondaires

NetherlandsICD-10-NL

G21.8overige gespecificeerde vormen van secundair parkinsonisme

United StatesICD-10-CM

G21.8Other secondary parkinsonism

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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