G92.9

ICD-10Billable

Unspecified toxic encephalopathy

Official ICD-10-CM descriptor (FY2026)

Unspecified toxic encephalopathy

G92.9 is valid for submission on a claim — CMS flags it as a billable, specific code.

Code first

Sequence the underlying condition before this code.

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

Use additional code

Report an additional code to identify the associated condition.

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

Related codes in G92

Where this code sits

Chapter: 6. Diseases of the nervous system (G00-G99)
Block: Other disorders of the nervous system (G89-G99)
Parent code: G92

Krasyn AI Coder

Get code suggestions automatically as you type notes. Free for 50 analyses.

Install for Chrome — free

Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.