G92.8 Other toxic encephalopathy

✓ Billable ICD-10-CM 2026
Open G92.8 in Web App →

The ICD-10-CM code for Other toxic encephalopathy is G92.8 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
G89-G99: Other disorders of the nervous system (G89-G99)
Category G92
10 codes (8 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G92.8:

  • Bromidism, bromism
  • Meningoencephalitis › toxic NEC
  • Leukoencephalopathy › heroin vapor
  • Jamaican › paraplegic tropical ataxic-spastic syndrome
  • Jamaican › neuropathy
  • Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) › toxic NEC
  • Encephalopathy (acute) › metabolic › drug induced
  • Encephalopathy (acute) › due to › drugs
Code First
  • poisoning due to drug or toxin, if applicable, (T36-T65 with fifth or sixth character 1-4)
Use Additional Code
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inclusion Terms

  • Toxic encephalitis
  • Toxic metabolic encephalopathy

U.S. Hospital Utilization

  • An estimated 622,620 U.S. inpatient stays in 2023 included G92.8 among the documented diagnoses.
  • 51,510 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

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

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

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

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

References

Related Codes

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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