G92.8

G92.8: Other toxic encephalopathy

Billable / specific codeICD-10-CM

G92.8 is a billable, specific ICD-10-CM code for other toxic encephalopathy. It is valid for submission on a claim.

Check G92.8 with the rest of the claim: free scrubber

Code first

The underlying condition must be sequenced before this code.

poisoning due to drug or toxin, if applicable, (T36-T65 with fifth or sixth character 1-4)

Use additional code

Add a secondary code to capture the detail described below.

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Toxic encephalitis
Toxic metabolic encephalopathy

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G92.8 is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56551Billing and Coding: Visual Fields Testing
A56612Billing and Coding: CT of the Head
A56799Billing and Coding: Visual Fields Testing
A57204Billing and Coding: MRI and CT Scans of the Head and Neck

Alphabetic index entries that lead here

Bromidism, bromism
Encephalitis›toxic NEC
Jamaican›neuropathy
Jamaican›paraplegic tropical ataxic-spastic syndrome
Leukoencephalopathy›heroin vapor
Meningoencephalitis›toxic NEC
Encephalopathy›due to›drugs
Encephalopathy›metabolic›drug induced
Encephalopathy›metabolic›toxic
Encephalopathy›toxic›metabolic

Code history

Unchanged in every release from FY2024 to FY2027.