Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes G00-G99 – Diseases of the nervous system (G00-G99) > 2024 ICD-10-CM Codes G20-G26 – Extrapyramidal and movement disorders (G20-G26) > 2024 ICD-10-CM Codes G21 – Secondary parkinsonism (G21) > 2024 ICD-10-CM Codes G21.1 – Other drug-induced secondary parkinsonism (G21.1)