ICD-10-CM Code G21.3
Postencephalitic parkinsonism
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.G21.3 is a billable ICD code used to specify a diagnosis of postencephalitic parkinsonism. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code G213 is used to code Postencephalitic parkinsonism
Post-encephalitic Parkinsonism is a disease believed to be caused by a viral illness, that triggers degeneration of the nerve cells in the substantia nigra. Overall, this degeneration leads to clinical parkinsonism.
Specialty: | Neurology |
MeSH Code: | D010301 |
ICD 9 Code: | 310.8 |
MS-DRG Mapping
- DRG Group #056-057 - Degenerative nervous system disorders with MCC.
- DRG Group #056-057 - Degenerative nervous system disorders without MCC.
ICD-10-CM Alphabetical Index References for 'G21.3 - Postencephalitic parkinsonism'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code G21.3. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code G21.3 and a single ICD9 code, 332.1 is an approximate match for comparison and conversion purposes.
Parent Code: G21 - Secondary parkinsonism