ICD-9 3321 → ICD-10-CM
Official CMS General Equivalence Mapping (GEM) equivalents for the retired ICD-9-CM code 3321.
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- G21.11Neuroleptic induced parkinsonismApproximate match
- G21.19Other drug induced secondary parkinsonismApproximate match
- G21.2Secondary parkinsonism due to other external agentsApproximate match
- G21.3Postencephalitic parkinsonismApproximate match
- G21.8Other secondary parkinsonismApproximate match
- G21.9Secondary parkinsonism, unspecifiedApproximate match