Drugs administered other than oral method
J9361 — Injection, efbemalenograstim alfa-vuxw, 0.5 mg
HCPCS code J9361 is used on U.S. medical bills for drugs administered other than oral method: Injection, efbemalenograstim alfa-vuxw, 0.5 mg.
- Typical setting: Outpatient or facility
- National avg charge (illustrative): ASP-based pricing for Medicare; payer-specific commercial rates.
- Most-disputed reason: Wasted-drug units billed without JW modifier
What it means
What J9361 actually means
Injection, efbemalenograstim alfa-vuxw, 0.5 mg.
The official CMS HCPCS Level II descriptor for this code is shown above. If the description on your bill does not match the service you actually received, that is a reason to ask for the itemized bill and dispute the line.
Common errors with this code
What goes wrong on real bills.
Use these as review prompts, not conclusions. The right next step is to compare the bill, itemized charges, and EOB before paying.
- Quantity or units of service that exceed what the medical record supports.
- Duplicate billing on the same date of service.
- Missing or incorrect modifier (e.g., JW for drug waste, RT/LT for sides).
- Wasted-drug units billed without JW modifier without supporting documentation.
If you see J9361 on your bill
Three steps before paying.
1. Get the itemized bill. If your statement only shows a summary, request the CPT-level itemized bill before paying. Generate the request language →
2. Cross-check against the EOB. Compare what your insurer's Explanation of Benefits says you owe versus what the hospital is asking. They disagree more often than people think. Read the bill-vs-EOB guide →
3. Run a free Bill Scan. Upload the bill (and EOB if you have it) and BillBusted will flag the most likely issues with this specific code in your specific state. Run free scan →
Related codes
Other codes in this category.
People who land on J9361 often also see these adjacent codes on the same bill.
Related BillBusted guides
Plain-English reads if you see J9361 on a bill.
J9361 FAQ
Plain-English answers.
What is J9361 used for on a medical bill?
HCPCS code J9361 is used on medical bills for drugs administered other than oral method: Injection, efbemalenograstim alfa-vuxw, 0.5 mg. Billing mistakes can happen, and codes in this category most often get flagged for wasted-drug units billed without jw modifier. If you see J9361 on your bill, request the itemized statement and compare the units, date of service, and description to your Explanation of Benefits before paying.
How much should J9361 cost?
How much J9361 should cost depends on your payer and region. Billing mistakes can happen, and pricing for this HCPCS code is set by Medicare fee schedules for Medicare claims and by negotiated allowed amounts for commercial plans. Check the Medicare fee-schedule lookup tool, your insurer's member portal, or run a free BillBusted scan to compare your charge against typical allowed amounts.
Can I dispute a J9361 charge on my medical bill?
Yes, you can dispute a J9361 charge on your medical bill if the units, modifier, date of service, or coverage doesn't match the medical record or your insurance benefits. Request the itemized bill, compare to your EOB, and use BillBusted's Resolution Pack to draft the dispute letter if needed.
Don't pay J9361 blindly.
The free scan tells you in under 60 seconds whether this charge looks reasonable for your situation.