Parkinson's disease (G20)
Browse all the diagnosis codes used for parkinson's disease (g20). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.
Instructional Notations
Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Hemiparkinsonism
- Idiopathic Parkinsonism or Parkinson's disease
- Paralysis agitans
- Primary Parkinsonism or Parkinson's disease
Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an 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
Diseases of the nervous system (G00–G99)
Extrapyramidal and movement disorders (G20-G26)
G20 Parkinson's disease NEW CODE
G20.A Parkinson's disease without dyskinesia NEW CODE
- G20.A1 Parkinson's disease without dyskinesia, without mention of fluctuations NEW CODE
- G20.A2 Parkinson's disease without dyskinesia, with fluctuations NEW CODE
G20.B Parkinson's disease with dyskinesia NEW CODE
- G20.B1 Parkinson's disease with dyskinesia, without mention of fluctuations NEW CODE
- G20.B2 Parkinson's disease with dyskinesia, with fluctuations NEW CODE
- G20.C Parkinsonism, unspecified NEW CODE
Parkinson's disease (G20)