G96.198 Other disorders of meninges, not elsewhere classified

The ICD-10-CM code for Other disorders of meninges, not elsewhere classified is G96.198 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

6: Diseases of the nervous system (G00-G99)

Section

G89-G99: Other disorders of the nervous system (G89-G99)

Category G96

20 codes (14 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G96.198:

• Leptomeningopathy
• Pseudomeningocele (cerebral) (infective) (post-traumatic)
• Calcification › falx cerebri
• Fibrosis, fibrotic › meninges
• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) › ossificans
• Disorder (of) › meninges, specified type NEC
• Cyst (colloid) (mucous) (simple) (retention) › spinal meninges
• Calcification › meninges (cerebral) (spinal)

U.S. Hospital Utilization

• An estimated 10,990 U.S. inpatient stays in 2023 included G96.198 among the documented diagnoses.
• 1,335 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)