HCPCS Code M0243

Intravenous infusion or subcutaneous injection, casirivimab and imdevimab includes infusion or injection, and post administration monitoring
Code effective Dec 13, 2024

HCPCS Section
Medical services

M0243 is a valid 2026 HCPCS code meaning Intravenous infusion or subcutaneous injection, casirivimab and imdevimab includes infusion or injection, and post administration monitoring or (Casirivi and imdevi inj) for short. HCPCS M0243 has been effective since 12/13/2024 and applies to Pneumococcal/flu vaccine.

HCPCS Code Details - M0243

HCPCS Level II Code
Section M - Medical services
HCPCS Code M0243
Description

Long description:
Intravenous infusion or subcutaneous injection, casirivimab and imdevimab includes infusion or injection, and post administration monitoring

Short description:
Casirivi and imdevi inj

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 N - No maintenance for this code
Type of service V - Pneumococcal/flu vaccine
Effective date Effective Dec 13, 2024
Date added Added Nov 21, 2020
Termination date Dec 12, 2024

See also

  • HCPCS M0240 · Intravenous infusion or subcutaneous injection, casirivimab and imdevimab includes infusion or injection, and post administration monitoring, subsequent repeat doses

  • HCPCS M0241 · Intravenous infusion or subcutaneous injection, casirivimab and imdevimab includes infusion or injection, and post administration monitoring in the home or residence; this includes a beneficiary's home that has been made provider-based to the hospital during the covid-19 public health emergency, subsequent repeat doses

  • HCPCS M0244 · Intravenous infusion or subcutaneous injection, casirivimab and imdevimab includes infusion or injection, and post administration monitoring in the home or residence; this includes a beneficiary's home that has been made provider-based to the hospital during the covid-19 public health emergency

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.