G40.89 Other seizures
G40.89 is a risk-adjusting diagnosis under CMS-HCC and RxHCC models. Create a free account to see model versions, RAF contribution, and AI-powered HCC suppression analysis.
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The ICD-10-CM code for Other seizures is G40.89 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- G40-G47: Episodic and paroxysmal disorders (G40-G47)
- Category G40
- 94 codes (58 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to G40.89:
- Seizure (s) › specified NEC
U.S. Hospital Utilization
- An estimated 30,030 U.S. inpatient stays in 2023 included G40.89 among the documented diagnoses.
- 7,420 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
Cite This Page
Reference G40.89 with the canonical source and edition:
G40.89 — Other seizures. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/G40.89
Canonical URL: https://icd10codingpro.com/codes/G40.89