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ICD-10-CM
Diseases of the nervous system (G00-G99)
Extrapyramidal and movement disorders (G20-G26)

4-th or 5-th digit required

G20  Parkinson's disease

Parkinson's disease

Use Additional Code:
code, if applicable, to identify:
dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)
dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)
dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)
dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)
dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)
mild neurocognitive disorder due to known physiological condition (F06.7-)
G20.A   Parkinson's disease without dyskinesia
G20.B   Parkinson's disease with dyskinesia
G20.C   Parkinsonism, unspecified
 

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