Neulasta (pegfilgrastim) is a crucial oncology support drug billed under J2506. Denials often occur due to incorrect unit billing or missing medical necessity linkage to a chemotherapy regimen.
Neulasta Unit Calculation (J2506)
The HCPCS code description for J2506 is "Injection, pegfilgrastim, excludes biosimilar, 6 mg".
Neulasta is typically administered as a single 6 mg subcutaneous injection per chemotherapy cycle. Therefore, you will almost always bill exactly 1 unit.
| Drug | Code | Administered Dosage | Billing Units |
|---|---|---|---|
| Neulasta | J2506 | 6 mg | 1 |
Crucial: Medical Necessity & ICD-10 Linkage
Neulasta is used to prevent neutropenia in patients receiving myelosuppressive chemotherapy. Your claim must link J2506 to codes like:
- D70.1 - Agranulocytosis secondary to cancer chemotherapy
- Z51.11 - Encounter for antineoplastic chemotherapy
Administration and NCCI Rules
Bill the subcutaneous administration CPT code 96372. Be careful with NCCI edits if a separate E/M service was performed on the same day.