G21 Secondary parkinsonism
Non-billable header
ICD10CM
Release FY2026
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|
| FY2026 | 2025-10-01 | current | Secondary parkinsonism | no |
Related codes in G21
- G21.0 Malignant neuroleptic syndrome
- G21.1 Other drug-induced secondary parkinsonism
- G21.11 Neuroleptic induced parkinsonism
- G21.19 Other drug induced secondary parkinsonism
- G21.2 Secondary parkinsonism due to other external agents
- G21.3 Postencephalitic parkinsonism
All 10 G21 codes →