G92.0 Immune effector cell-associated neurotoxicity syndrome

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Immune effector cell-associated neurotoxicity syndrome is G92.0 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
G89-G99: Other disorders of the nervous system (G89-G99)
Category G92
10 codes (8 billable)
FY2026 Status
Stable since FY2024
Code First
  • underlying cause such as:
  • complications of immune effector cellular therapy (T80.82)
Code Also
  • , if applicable, associated signs and symptoms, such as:
  • cerebral edema (G93.6)
  • unspecified convulsions (R56.9)

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

G92 Toxic encephalopathy

More Specific Codes

G92.00 Immune effector cell-associated neurotoxicity syndrome, grade unspecified 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

Related Codes in G92

G92 Toxic encephalopathy G92.00 Immune effector cell-associated neurotoxicity syndrome, grade unspecified 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 G92.9 Unspecified toxic encephalopathy
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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