ICD-10 G92.04
Billable / Specific CCImmune effector cell-associated neurotoxicity syndrome, grade 4
About ICD-10-CM G92.04
ICD-10-CM code G92.04 represents Immune effector cell-associated neurotoxicity syndrome, grade 4. This is a billable/specific code in the Nervous System chapter (block G92). The 2026 edition of ICD-10-CM G92.04 became effective on October 1, 2025.
Coding Tips for G92.04
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
G92.04 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under G92.04. Per CMS ICD-10-CM Tabular 2026.
- ICANS, grade 4
Inpatient DRG Impact, CC
codes Immune effector cell-associated neurotoxicity syndrome, grade 4. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for G92.04
Local Coverage Determinations (LCDs) from CMS MACs that list G92.04 as a covered diagnosis.
Showing top 10 of 34 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing G92.04.
2 Cigna
3 Medicare
CPT Codes Commonly Billed with G92.04
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To G92.04
Other codes in section G89-G99 (Other disorders of the nervous system).
ICD-10 G92.04, Billing FAQ
Is ICD-10 code G92.04 billable? +
Yes, G92.04 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to G92.04? +
ICD-10 G92.04 includes: ICANS, grade 4.
Is G92.04 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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