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.