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Taxonomy Codes
G21.1 OTHER DRUG-INDUCED SECONDARY PARKINSONISM
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ICD-10 List
G00–G99
G20-G26
G21
G21.1
Code Information
Diagnosis Code:
G21.1
Short Description:
Other drug-induced secondary parkinsonism
Long Description:
Other drug-induced secondary parkinsonism
Code Version:
2025 ICD-10-CM
The code G21.1 is NOT VALID for claim submission
Code Classification
Diseases of the nervous system (G00–G99)
Extrapyramidal and movement disorders (G20-G26)
Secondary parkinsonism (G21)
Similar Codes
ICD-10 Code
ICD-10 Description
G21
Secondary parkinsonism
G21.0
Malignant neuroleptic syndrome
G21.11
Neuroleptic induced parkinsonism
G21.19
Other drug induced secondary parkinsonism
G21.2
Secondary parkinsonism due to other external agents
G21.3
Postencephalitic parkinsonism
G21.4
Vascular parkinsonism
G21.8
Other secondary parkinsonism
G21.9
Secondary parkinsonism, unspecified
This page was last updated on: 10/1/2025
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