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G21.2 Secondary parkinsonism due to other external agents
BackG21Secondary parkinsonismCategory7 →G21.0Malignant neuroleptic syndromeCategoryG21.1Other drug-induced secondary parkinsonismCategory2 →G21.11Neuroleptic induced parkinsonismCategoryG21.19Other drug induced secondary parkinsonismCategoryG21.2Secondary parkinsonism due to other external agentsCategoryG21.3Postencephalitic parkinsonismCategoryG21.4Vascular parkinsonismCategoryG21.8Other secondary parkinsonismCategoryG21.9Secondary parkinsonism, unspecifiedCategory
CategoryCODABLE
G21.2
Secondary parkinsonism due to other external agents
CODING RULE
Code first: (T51-T65) to identify external agent
- Chapter
- VI · Diseases of the nervous system
- Section
- G20-G26
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.