G98.8
G98.8: Other disorders of nervous system
Billable / specific codeICD-10-CM
G98.8 is a billable, specific ICD-10-CM code for other disorders of nervous system. It is valid for submission on a claim.
Check G98.8 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Nervous system disorder NOS
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
G98.8 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56612Billing and Coding: CT of the Head
- A56619Billing and Coding: Nerve Conduction Studies and Electromyography
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
- A57206Billing and Coding: Lumbar MRI
Alphabetic index entries that lead here
- Complication›nervous system
- Disease, diseased›nervous system
- Disorder›nervous system
- Disease, diseased›nervous system›specified NEC
- Disorder›nervous system›specified NEC
Code history
Unchanged in every release from FY2024 to FY2027.