G21.1 OTHER DRUG-INDUCED SECONDARY PARKINSONISM

Code Information

Diagnosis Code: G21.1

Short Description: Other drug-induced secondary parkinsonism

Long Description: Other drug-induced secondary parkinsonism

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)
    - G21.1 Other drug-induced secondary parkinsonism

Code Version: 2022 ICD-10-CM

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: 10/1/2023