ICD-10 Code G20.A – Parkinson’s disease without dyskinesia (2026): Diagnosis, Symptoms & Billing Guide
The ICD-10 code for Parkinson’s disease without dyskinesia is G20.A.2026 ICD-10-CM Diagnosis Code G20.A – Parkinson’s disease without dyskinesia Related ICD-10 Codes Parent code: G20 – Parkinson's disease What it is G20.A identifies Parkinson’s disease when dyskinesia is not documented. Use it for a confirmed Parkinson’s diagnosis with no mention of involuntary movement complications tied…