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Neurology & Pain Management Coding Alert

Neurology & Pain Management Coding:

Know When to Use Combination Code for Parkinson’s Dx

Published on Wed Jun 17, 2026

Question: Encounter notes indicate a patient is suffering from “Parkinsons w/dyskinesia/fluctuation.” How many ICD-10-CM codes do I need for this condition, and what are dyskinesia and fluctuation in the context of Parkinson’s disease? Utah Subscriber Answer: First, you’ll only need a single combination code for the diagnosis: G20.B2 (Parkinson’s disease with dyskinesia, with fluctuations). As for what dyskinesia and fluctuation [...]
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