ICD-10-CM G98: Other disorders of nervous system not elsewhere classified

ICD-10-CM Diagnosis Code (2025)

Official Description for G98

Other disorders of nervous system not elsewhere classified

Coding Notes & Guidelines for G98

Includes Notes

nervous system disorder NOS

Excludes1: Not Coded Here
  • spondylopathy (in):
  • syringomyelia and syringobulbia (G95.0)
  • tabes dorsalis (A52.11)
Inclusion Terms
  • Nonsyphilitic neurogenic arthropathy NEC
  • Nonsyphilitic neurogenic spondylopathy NEC
Inclusion Terms

Nervous system disorder NOS

Child Codes (More Specific Codes for G98):

About ICD-10-CM Code G98 (Other disorders of nervous system not elsewhere classified)

ICD-10-CM code G98 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM G98 became effective on October 1, 2024.

This page provides detailed information about G98 - Other disorders of nervous system not elsewhere classified. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other disorders of nervous system not elsewhere classified.