Other disorders of nervous system not elsewhere classified (G98) ICD-10-CM
The G98 code range covers other disorders of nervous system not elsewhere classified with 3 ICD-10-CM diagnosis codes. 2 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- nervous system disorder NOS
Codes in the G98 Range 3 codes · 2 billable
About the G98 Code Range
These nervous system disorders are not classified elsewhere in the category list.
The subdivisions separate nervous system-related arthritis, G98.0, from other nervous system disorders, G98.8.
Questions About This Page
How many billable codes are in the G98 range?
Of the 3 codes in this range, 2 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the G98 range classify?
The range classifies other disorders of nervous system not elsewhere classified. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
