G21 - Secondary parkinsonism
The ICD 10 Code for Secondary parkinsonism is listed as G21.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.
| ICD 10 CM Field | Value |
|---|---|
| Diagnosis Code: | G21
|
| Description: | Secondary parkinsonism
|
| Chapter | Diseases of the nervous system (G00-G99) |
| ICD-10-CM Children (deeper level / typically more specific) of G21: | |
| G21.0 - Malignant neuroleptic syndrome | |
| G21.1 - Other drug-induced secondary parkinsonism | |
| G21.2 - Secondary parkinsonism due to other external agents | |
| G21.3 - Postencephalitic parkinsonism | |
| G21.4 - Vascular parkinsonism | |
| G21.8 - Other secondary parkinsonism | |
| G21.9 - Secondary parkinsonism, unspecified | |