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G20 Parkinson's disease
BackG20.AParkinson's disease without dyskinesiaCategory2 →G20.A1Parkinson's disease without dyskinesia, without mention of fluctuationsCategoryG20.A2Parkinson's disease without dyskinesia, with fluctuationsCategoryG20.BParkinson's disease with dyskinesiaCategory2 →G20.B1Parkinson's disease with dyskinesia, without mention of fluctuationsCategoryG20.B2Parkinson's disease with dyskinesia, with fluctuationsCategoryG20.CParkinsonism, unspecifiedCategory
Category
G20
Parkinson's disease
EXAMPLES
Hemiparkinsonism
Idiopathic Parkinsonism or Parkinson's disease
Paralysis agitans
Primary Parkinsonism or Parkinson's disease
Idiopathic Parkinsonism or Parkinson's disease
Paralysis agitans
Primary Parkinsonism or Parkinson's disease
CODING RULE
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-)
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-)
- Chapter
- VI · Diseases of the nervous system
- Section
- G20-G26
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.