G93.5 Compression of brain
The ICD-10-CM code for Compression of brain is G93.5 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- G89-G99: Other disorders of the nervous system (G89-G99)
- Category G93
- 24 codes (20 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to G93.5:
- Hernia, hernial (acquired) (recurrent) › foramen magnum
- Compression › brain (stem)
- Herniation › brain (stem)
- Pressure › brain
- Syndrome › foramen magnum
- Pressure › cone, tentorial
- Herniation › cerebral
- Chiari's › malformation › type I
Inclusion Terms
- Arnold-Chiari type 1 compression of brain
- Compression of brain (stem)
- Herniation of brain (stem)
U.S. Hospital Utilization
- An estimated 146,775 U.S. inpatient stays in 2023 included G93.5 among the documented diagnoses.
- 5,940 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