ICD-10-CM G21.3 → ICD-9
Postencephalitic parkinsonism
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- 3321Approximate match
Postencephalitic parkinsonism
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.