G92.8 Other toxic encephalopathy

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applicable to

• Toxic encephalitis
• Toxic metabolic encephalopathy

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)

MS-DRG index

Defines the logic of DRG(s) 023-024 in MDC 01.

Code annotations containing back-references to G92.8

Back-references to G92.8

• Type 2 Excludes: G04 Encephalitis, myelitis and encephalomyelitis ("toxic encephalitis (G92.8)")
• Type 2 Excludes: G04 Encephalitis, myelitis and encephalomyelitis ("toxic encephalopathy (G92.8)")
• Type 2 Excludes: G93.4 Other and unspecified encephalopathy ("toxic (metabolic) encephalopathy (G92.8)")

Back-references to G92

• Use Additional: G90.81 Serotonin syndrome ("toxic encephalopathy (G92.-)")

Diagnosis Index entries for G92.8

• Bromidism, bromism
• Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) › toxic NEC
• Encephalopathy (acute) › due to › drugs
• Encephalopathy (acute) › metabolic › drug induced
• Encephalopathy (acute) › metabolic › toxic
• Encephalopathy (acute) › toxic › metabolic
• Jamaican › neuropathy
• Jamaican › paraplegic tropical ataxic-spastic syndrome
• Leukoencephalopathy › heroin vapor
• Meningoencephalitis › toxic NEC

Nearby codes

• G92.01 Immune effector cell-associated neurotoxicity syndrome, grade 1
• G92.02 Immune effector cell-associated neurotoxicity syndrome, grade 2
• G92.03 Immune effector cell-associated neurotoxicity syndrome, grade 3
• G92.04 Immune effector cell-associated neurotoxicity syndrome, grade 4
• G92.05 Immune effector cell-associated neurotoxicity syndrome, grade 5
• G92.8 Other toxic encephalopathy (this code)
• G92.9 Unspecified toxic encephalopathy