Injectafer (ferric carboxymaltose) is billed under HCPCS code J1439 ↗. It is commonly used for iron deficiency anemia, but requires strict adherence to IV infusion coding and 1mg unit conversions.
Calculating Units for Injectafer (J1439)
The code J1439 ↗ is defined as "Injection, ferric carboxymaltose, 1 mg".
A standard dose of Injectafer is 750 mg. Because the code represents 1 mg increments, you will bill exactly 750 units on the claim.
| Drug | Code | Administered Dosage | Billing Units |
|---|---|---|---|
| Injectafer | J1439 | 750 mg | 750 |
Covered Diagnoses (Medical Necessity)
Your claim must include a valid ICD-10 code for iron deficiency anemia, such as:
- D50.9 ↗ - Iron deficiency anemia, unspecified
- D50.0 ↗ - Iron deficiency anemia secondary to blood loss (chronic)
IV Infusion Administration
Injectafer is administered via slow IV push or infusion. Bill 96365 ↗ for an initial infusion of up to 1 hour, or 96374 ↗ if given as an IV push. Run a dual-code NCCI check to ensure no overlaps with other services.