G20Non-billable
Parkinson's disease
Inclusion Terms
4 items
Inclusion Terms
- •Hemiparkinsonism
- •Idiopathic Parkinsonism or Parkinson's disease
- •Paralysis agitans
- •Primary Parkinsonism or Parkinson's disease
Use Additional Code
7 items
Use Additional Code
- •code, if applicable, to identify:
- •
- •
- •
- •
- •
- •mild neurocognitive disorder due to known physiological condition (F06.7-)
Coding Guidance
G20 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.
Referenced in Diagnoses
Conditions that use this ICD-10 code in their documentation
Parkinson's Disease with Dementia
Bradykinesia
ICD-10-CM 2025 Code Updates
ICD-10-CM Coding Cheat Sheet
ICD-10-CM Coding Guidelines
Movement Disorder
Neurological Disorder
Parkinson's Disease
Parkinsonism
Dementia due to Parkinson's Disease
Self-Care Deficit
International Classification of Diseases, Ninth Revision to Tenth Revision Conversion
Additional Information from Parent Codes
The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.
Parent Codes Referenced:
Excludes2
8 items
Excludes2
From G00-G99:
- •certain conditions originating in the perinatal period (P04-P96)
- •certain infectious and parasitic diseases (A00-B99)
- •
- •congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- •endocrine, nutritional and metabolic diseases (E00-E88)
- •injury, poisoning and certain other consequences of external causes (S00-T88)
- •neoplasms (C00-D49)
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)