ICD-10-CM 2027
ICD-10 code for heroin vapor leukoencephalopathy
From the official ICD-10-CM alphabetic index entry “Leukoencephalopathy › heroin vapor”. Page updated September 29, 2026.
About coding heroin vapor leukoencephalopathy
The ICD-10-CM code for heroin vapor leukoencephalopathy is G92.8 (Other toxic encephalopathy).
Within G92, choose G92.8 (Other toxic encephalopathy) only when documentation doesn't support a more specific option: immune effector cell-associated neurotoxicity syndrome (G92.0) and unspecified toxic encephalopathy (G92.9).
Code first: poisoning due to drug or toxin, if applicable, (T36-T65 with fifth or sixth character 1-4).
Use an additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
Common questions about heroin vapor leukoencephalopathy ICD-10 codes
What is the ICD-10 code for heroin vapor leukoencephalopathy?
- G92.8 — Other toxic encephalopathy.
Is G92.8 billable?
- Yes. G92.8 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can G92.8 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict G92.8 as a principal diagnosis.
Is G92.8 a CC or MCC?
- G92.8 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.