G20.B1
ICD-10-CMParkinson's disease with dyskinesia, without mention of fluctuations
This code identifies Parkinson's disease where the patient experiences involuntary, uncontrolled movements (dyskinesia) as a motor complication. It specifically applies when there is no documentation of motor fluctuations, such as "wearing off" or "on-off" phenomena.
Use this code for patients with a confirmed diagnosis of Parkinson's disease who are experiencing dyskinesia, and the provider's documentation does not specify the presence of motor fluctuations. Documentation should clearly state "Parkinson's disease with dyskinesia" and lack any mention of "on-off" states or "wearing off" of medication effects.
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