M0240 HCPCS code: Intravenous infusion or subcutaneous injection, casirivimab and imdevimab includes infusion or injection, and post administration monitoring, subsequent repeat doses
M0240 is the HCPCS Level II code for intravenous infusion or subcutaneous injection, casirivimab and imdevimab includes infusion or injection, and post administration monitoring, subsequent repeat doses. CMS terminated M0240 on 2024-12-12; do not bill it for later dates of service. In 2022 Medicare paid an average of $417.80 per service for M0240 across 403 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. In 2022, about 119 clinicians billed Medicare for M0240 for 403 beneficiaries; Florida, Arkansas, Alabama accounted for 45% of services.
Code details
| Field | Value |
|---|---|
| Section | M codes — Medical services and quality measures |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 54 |
| BETOS category | O1G — Immunizations/vaccinations |
| Added | 2021-07-30 |
| Last action effective | 2024-12-13 |
| Terminated | 2024-12-12 |
Who bills M0240 (2022)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 119 |
| Medicare beneficiaries | 403 |
| States with claims | 10 |
| Share of services in top 3 states (Florida, Arkansas, Alabama) | 45% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for M0240, 2022–2022
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 403 | 403 | $417.80 | $417.80 |
States with the most M0240 services (2022)
| State | Services | Avg. paid |
|---|---|---|
| Florida | 59 | $436.97 |
| Arkansas | 49 | $375.57 |
| Alabama | 43 | $398.33 |
| New York | 41 | $486.77 |
| Georgia | 39 | $399.24 |
What changed for M0240
- 2021-07-30: M0240 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code M0240?
M0240 is the HCPCS Level II code for intravenous infusion or subcutaneous injection, casirivimab and imdevimab includes infusion or injection, and post administration monitoring, subsequent repeat doses. Short descriptor: "Casiri and imdev repeat".
How much does Medicare pay for M0240?
In 2022, the average Medicare payment was $417.80 per service (average allowed $417.80).
Does Medicare cover M0240?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Related M02 codes
- M0201 — Administration of pneumococcal, influenza, hepatitis b, and/or covid-19 vaccine inside a patient's home; reported only once per individual home per date of service when such vaccine administration(s) are performed at the patient's home
- M0220 — Injection, tixagevimab and cilgavimab, for the pre-exposure prophylaxis only, for certain adults and pediatric individuals (12 years of age and older weighing at least 40kg) with no known sars-cov-2 exposure, who either have moderate to severely compromised immune systems or for whom vaccination with any available covid-19 vaccine is not recommended due to a history of severe adverse reaction to a covid-19 vaccine(s) and/or covid-19 vaccine component(s), includes injection and post administration monitoring
- M0221 — Injection, tixagevimab and cilgavimab, for the pre-exposure prophylaxis only, for certain adults and pediatric individuals (12 years of age and older weighing at least 40kg) with no known sars-cov-2 exposure, who either have moderate to severely compromised immune systems or for whom vaccination with any available covid-19 vaccine is not recommended due to a history of severe adverse reaction to a covid-19 vaccine(s) and/or covid-19 vaccine component(s), includes 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
- M0222 — Intravenous injection, bebtelovimab, includes injection and post administration monitoring
- M0223 — Intravenous injection, bebtelovimab, includes 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
- 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
- M0235 — Intravenous infusion, monoclonal antibody products with an indication for post-exposure prophylaxis or treatment of covid-19, for hospitalized adults and/or pediatric patients 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, not otherwise classified, first dose
- M0236 — Intravenous infusion, monoclonal antibody products with an indication for post-exposure prophylaxis or treatment of covid-19, for hospitalized adults and/or pediatric patients 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, not otherwise classified, second dose
- M0237 — Intravenous infusion, tocilizumab-anoh, 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
- M0238 — Intravenous infusion, tocilizumab-anoh, 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
- M0239 — Intravenous infusion, bamlanivimab-xxxx, includes infusion and post administration monitoring
- 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
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Next steps
- Run a reimbursement report for a device billed under M0240
- Watch M0240 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for M0240
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.