Category G20 Non-Billable Category FY2027 Dataset

G20: Parkinson's disease

Parent Chapter: Chapter 6: Diseases of the nervous system

Notice on Coding Specificity: Category G20 is a 3-character heading and cannot be reported directly on healthcare claims. You must assign one of the specific child codes listed below.

Specific Child Codes in Category G20

Code Official Descriptor Status Action
G20.A1 Parkinson's dis w/o dyskinesia, w/o mention of fluctuations Billable Code View Code
G20.A2 Parkinson's disease without dyskinesia, with fluctuations Billable Code View Code
G20.B1 Parkinson's dis with dyskinesia, w/o mention of fluctuations Billable Code View Code
G20.B2 Parkinson's disease with dyskinesia, with fluctuations Billable Code View Code
G20.C Parkinsonism, unspecified Billable Code View Code
G20 Parkinson's disease Non-Billable View Code
G20.A Parkinson's disease without dyskinesia Non-Billable View Code
G20.B Parkinson's disease with dyskinesia Non-Billable View Code