Is G98 a billable code?
No. G98 is a header code that groups 2 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
G98: Other disorders of nervous system not elsewhere classified
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
G98 groups related diagnoses under other disorders of nervous system not elsewhere classified. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under G98
G98 questions
What does G98 mean?
G98 is the ICD-10-CM code for Other disorders of nervous system not elsewhere classified. It is in chapter 6, Diseases of the nervous system (G00-G99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.