G92: Toxic encephalopathy
Codes under G92 (Toxic encephalopathy). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| G92.0 | Immune effector cell-associated neurotoxicity syndrome | — |
| G92.0 | Immune effector cell-associated neurotoxicity syndrome | — |
| G92.00 | Immune effector cell-associated neurotoxicity syndrome, grade unspecified | ✓ |
| G92.00 | Immune effector cell-associated neurotoxicity syndrome, grade unspecified | ✓ |
| G92.01 | Immune effector cell-associated neurotoxicity syndrome, grade 1 | ✓ |
| G92.01 | Immune effector cell-associated neurotoxicity syndrome, grade 1 | ✓ |
| G92.02 | Immune effector cell-associated neurotoxicity syndrome, grade 2 | ✓ |
| G92.02 | Immune effector cell-associated neurotoxicity syndrome, grade 2 | ✓ |
| G92.03 | Immune effector cell-associated neurotoxicity syndrome, grade 3 | ✓ |
| G92.03 | Immune effector cell-associated neurotoxicity syndrome, grade 3 | ✓ |
| G92.04 | Immune effector cell-associated neurotoxicity syndrome, grade 4 | ✓ |
| G92.04 | Immune effector cell-associated neurotoxicity syndrome, grade 4 | ✓ |
| G92.05 | Immune effector cell-associated neurotoxicity syndrome, grade 5 | ✓ |
| G92.05 | Immune effector cell-associated neurotoxicity syndrome, grade 5 | ✓ |
| G92.8 | Other toxic encephalopathy | ✓ |
| G92.8 | Other toxic encephalopathy | ✓ |
| G92.9 | Unspecified toxic encephalopathy | ✓ |
| G92.9 | Unspecified toxic encephalopathy | ✓ |
Frequently asked questions
What is ICD-10-CM code G92?
G92 is an ICD-10-CM category covering Toxic encephalopathy. It contains 18 more specific diagnosis codes, 16 of which are billable.
Is G92 a billable code?
No — G92 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example G92.0 — Immune effector cell-associated neurotoxicity syndrome). 16 of the 18 codes under G92 are billable.
What codes fall under G92?
G92 includes G92.0, G92.0, G92.00, G92.00, G92.01, plus 13 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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