HCPCS Code M0233

Intravenous infusion, tocilizumab-aazg, for hospitalized adult patients with covid-19 who are receiving systemic corticosteroids and require supplemental oxygen, non-invasive or invasive mechanical ventilation, or extracorporeal membrane oxygenation (ecmo) only, includes infusion and post administration monitoring, first dose
Code effective Apr 01, 2026

HCPCS Section
Medical services

M0233 is a valid 2026 HCPCS code meaning Intravenous infusion, tocilizumab-aazg, for hospitalized adult patients with covid-19 who are receiving systemic corticosteroids and require supplemental oxygen, non-invasive or invasive mechanical ventilation, or extracorporeal membrane oxygenation (ecmo) only, includes infusion and post administration monitoring, first dose or (Intra inf, toci, first dose) for short. HCPCS M0233 has been effective since 04/01/2026 and applies to Pneumococcal/flu vaccine.

HCPCS Code Details - M0233

HCPCS Level II Code
Section M - Medical services
HCPCS Code M0233
Description

Long description:
Intravenous infusion, tocilizumab-aazg, for hospitalized adult patients with covid-19 who are receiving systemic corticosteroids and require supplemental oxygen, non-invasive or invasive mechanical ventilation, or extracorporeal membrane oxygenation (ecmo) only, includes infusion and post administration monitoring, first dose

Short description:
Intra inf, toci, first dose

HCPCS Pricing indicator 54 - Vaccinations
Multiple pricing indicator A - Not applicable as HCPCS priced under one methodology
Coverage code C - Carrier judgment
BETOS2 code O1G - Immunizations/Vaccinations
HCPCS Action code A - Add procedure or modifier code
Type of service V - Pneumococcal/flu vaccine
Effective date Effective Apr 01, 2026
Date added Added Apr 01, 2026

See also

  • HCPCS M0224 · Intravenous infusion, pemivibart, for the pre-exposure prophylaxis only, for certain adults and adolescents (12 years of age and older weighing at least 40 kg) with no known sars-cov-2 exposure, who either have moderate-to-severe immune compromise due to a medical condition or receipt of immunosuppressive medications or treatments, includes infusion and post administration monitoring

  • HCPCS M0234 · Intravenous infusion, tocilizumab-aazg, for hospitalized adult patients with covid-19 who are receiving systemic corticosteroids and require supplemental oxygen, non-invasive or invasive mechanical ventilation, or extracorporeal membrane oxygenation (ecmo) only, includes infusion and post administration monitoring, second dose

1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).

2 BETOS stands for “Berenson-Eggers Type Of Service”

HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026

CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.