G20 — ICD-10-CM Diagnosis Codes

• G20 Parkinson's disease
• G20.A Parkinson's disease without dyskinesia
• G20.A1 Parkinson's disease without dyskinesia, without mention of fluctuations billable
• G20.A2 Parkinson's disease without dyskinesia, with fluctuations billable
• G20.B Parkinson's disease with dyskinesia
• G20.B1 Parkinson's disease with dyskinesia, without mention of fluctuations billable
• G20.B2 Parkinson's disease with dyskinesia, with fluctuations billable
• G20.C Parkinsonism, unspecified billable