G98
G98 — Other disorders of nervous system not elsewhere classified
Non-billable headerICD-10-CM
G98 is a non-billable header ICD-10-CM code for other disorders of nervous system not elsewhere classified. It cannot be billed on its own: choose one of the more specific child codes below.
Includes
Conditions this code covers.
- nervous system disorder NOS
Other codes that can never be billed with G98
These codes carry an Excludes1 note pointing at G98. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading G98 alone.
- M49Spondylopathies in diseases classified elsewhere
Risk adjustment
G98 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead G98
2 child codes. Green means billable.
Questions about G98
- Is G98 a billable ICD-10-CM code?
- No. G98 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does G98 sit in the tabular list?
- Diseases of the nervous system (G00-G99), in the block Other disorders of the nervous system (G89-G99).