🩺
1500 Claim BillingBETA

Neulasta (J2506) HCPCS Code: 2026 Billing Rules & Modifiers

Last Updated: September 12, 2026

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.

Interactive Medical Coding Assistant

Look up CPT/HCPCS/ICD-10 rules, check NCCI bundling edits, verify Medicare LCD coverage, or check provider NPIs instantly.

✓ 1,265 Medicare-Approved ICD-10 Diagnoses on file for J2506:

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.

DrugCodeAdministered DosageBilling Units
NeulastaJ25066 mg1

Crucial: Medical Necessity & ICD-10 Linkage

Verify Medical Necessity

Don't risk a denial. See if your ICD-10 code is on the approved Medicare LCD list.

Neulasta is used to prevent neutropenia in patients receiving myelosuppressive chemotherapy. Your claim must link J2506 to codes like:

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.

Check Codes, NCCI Edits & Medical Necessity in Seconds

Use our free Medical Coding Assistant to lookup CPT/ICD-10 descriptions, check Medicare LCD rules, verify NPIs, or auto-fill CMS-1500 claims with AI.