Category · G20-G26
G21Secondary parkinsonism
10 codes in this category
G21Secondary parkinsonismHeaderG21.0Malignant neuroleptic syndromeBillableG21.1Other drug-induced secondary parkinsonismHeaderG21.11Neuroleptic induced parkinsonismBillableG21.19Other drug induced secondary parkinsonismBillableG21.2Secondary parkinsonism due to other external agentsBillableG21.3Postencephalitic parkinsonismBillableG21.4Vascular parkinsonismBillableG21.8Other secondary parkinsonismBillableG21.9Secondary parkinsonism, unspecifiedBillable