G21.3✓ Billable
Postencephalitic parkinsonism
Code Hierarchy
┌6Diseases of the nervous system (G00-G99)├G20-G26Extrapyramidal and movement disorders (G20-G26)├G21Secondary parkinsonism
└G21.3Postencephalitic parkinsonism
Not sure between two codes?
⇄ Compare G21.3 with another code →