ICD-10-CM
G21.3
Postencephalitic parkinsonism
- Kind
- Billable code
- Category
- G21
Nearby codes
A header groups codes and is not billed. A billable code is one you can report.
- G21Secondary parkinsonismHeader
- G21.0Malignant neuroleptic syndromeBillable
- G21.1Other drug-induced secondary parkinsonismHeader
- G21.11Neuroleptic induced parkinsonismBillable
- G21.19Other drug induced secondary parkinsonismBillable
- G21.2Secondary parkinsonism due to other external agentsBillable
- G21.4Vascular parkinsonismBillable
- G21.8Other secondary parkinsonismBillable
- G21.9Secondary parkinsonism, unspecifiedBillable
It's the public CDC file. Check the official guidelines before you code.
CMS-HCC, payment year 2027 (initial mapping)
A CMS-HCC group is a risk-adjustment category. This page does not decide payment.
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