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ICD10BillableValid for clinical use

ICD-10 Code G92.8: Other toxic encephalopathy

G92.8 is a billable ICD-10 diagnosis code used to classify Other toxic encephalopathy in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

When is it used?

  • May be used when a clinician documents other toxic encephalopathy in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
6Diseases of the nervous system (G00-G99)
block
G89-G99Other disorders of the nervous system
category
G92Toxic encephalopathy
currentG92

Official coding notes

Inclusion terms
  • Toxic encephalitis
  • Toxic metabolic encephalopathy
Applicable to
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • poisoning due to drug or toxin, if applicable, (T36-T65 with fifth or sixth character 1-4)
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)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

NeurologistGeneral Physician

Coverage-related procedures and services

CPT 92083high
VISUAL FIELD EXAMINATION, UNILATERAL OR BILATERAL, WITH INTERPRETATION AND REPORT; EXTENDED EXAMINATION (EG, GOLDMANN VISUAL FIELDS WITH AT LEAST 3 ISOPTERS PLOTTED AND STATIC DETERMINATION WITHIN THE CENTRAL 30 DEG, OR QUANTITATIVE, AUTOMATED THRESHOLD PERIMETRY, OCTOPUS PROGRAM G-1, 32 OR 42, HUMPHREY VISUAL FIELD ANALYZER FULL THRESHOLD PROGRAMS 30-2, 24-2, OR 30/60-2)
Source: CMS coverage guidance
CPT 92082high
VISUAL FIELD EXAMINATION, UNILATERAL OR BILATERAL, WITH INTERPRETATION AND REPORT; INTERMEDIATE EXAMINATION (EG, AT LEAST 2 ISOPTERS ON GOLDMANN PERIMETER, OR SEMIQUANTITATIVE, AUTOMATED SUPRATHRESHOLD SCREENING PROGRAM, HUMPHREY SUPRATHRESHOLD AUTOMATIC DIAGNOSTIC TEST, OCTOPUS PROGRAM 33)
Source: CMS coverage guidance
CPT 92081high
VISUAL FIELD EXAMINATION, UNILATERAL OR BILATERAL, WITH INTERPRETATION AND REPORT; LIMITED EXAMINATION (EG, TANGENT SCREEN, AUTOPLOT, ARC PERIMETER, OR SINGLE STIMULUS LEVEL AUTOMATED TEST, SUCH AS OCTOPUS 3 OR 7 EQUIVALENT)
Source: CMS coverage guidance
CPT 70460high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITH CONTRAST MATERIAL(S)
Source: CMS coverage guidance
CPT 70450high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITHOUT CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 70470high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITHOUT CONTRAST MATERIAL, FOLLOWED BY CONTRAST MATERIAL(S) AND FURTHER SECTIONS
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Other toxic encephalopathy

Frequently asked questions

Code details

CodeG92.8
SystemICD10
Display nameOther toxic encephalopathy
ChapterDiseases of the nervous system (G00-G99)
BlockOther disorders of the nervous system

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Bromidism, bromismEncephalitis(chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute)Encephalopathy(acute)Encephalopathy(acute)Encephalopathy(acute)Encephalopathy(acute)JamaicanJamaicanLeukoencephalopathyMeningoencephalitis
See also
Table of Drugs and Chemicals

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.