Type 1 Excludes
- dementia with Parkinsonism (G31.83)
- Huntington’s disease (G10)
- Shy-Drager syndrome (G90.3)
- syphilitic Parkinsonism (A52.19)
- Codes Description
- 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