FIRMAGON J Code: J9155

Drug & Product Overview

HCPCS Descriptor Injection, degarelix, 1 mg

HCPCS Added Date January 1, 2010

Manufacturer Ferring Pharmaceuticals Inc

Route of Administration Subcutaneous

Generic Status Single-Source; Branded

Dosage Type Single-Dose

Dosage Form Kit

About FIRMAGON

Firmagon is a medication aligned to the HCPCS J Code: J9155 for billing, pricing, and reimbursement purposes in the United States. Classified under Oncology, it is administered via the subcutaneous route and manufactured by Ferring Pharmaceuticals Inc.

According to CMS Drug Use Information: Degarelix is used to treat advanced prostate cancer in men. It is not a cure. Most types of prostate cancer need the hormone testosterone to grow and spread. Degarelix works by reducing the amount of testosterone that the body makes. This helps slow or stop the growth of cancer cells.

Disclaimer: This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional.

NDC Code Information

Based on publicly available CMS files. The list of NDCs below is not exhaustive.

NDC Code	Drug	Manufacturer	Billing Units / Pkg	Package Size
55566-8303-01	Firmagon	Ferring Pharmaceuticals Inc.	80	Kit
55566-8403-01	Firmagon	Ferring Pharmaceuticals Inc.	240	Kit

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FIRMAGON Pricing & Reimbursement

J9155 Private Payer Reimbursement

$4.51 / HCPCS unit as of Jan 2026

National median reimbursement across major commercial payers.

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Historical Graphing and Billing Calculator

per HCPCS unit

As of Q3 2026

FIRMAGON CPT Administration Codes

CPT Code	Description
96402	Chemotherapy administration, subcutaneous or intramuscular; hormonal anti-neoplastic

JW / JZ modifiers apply

CMS has identified Firmagon (J9155) as a HCPCS code with single-dose containers. Therefore, the JW/JZ wastage modifiers could be required for billing purposes. Wastage billing guide →

FIRMAGON Medically Unlikely Edits (MUE)

The most billing units of J9155 Medicare will pay for one patient in one day, as published by CMS. 1 unit = 1 mg.

Practitioner Office & Hospital Outpatient

240 units / day

= 240 mg per day

MAI 3 · Date of Service Edit: Clinical. Per-day limit based on clinical expectations; excess units are denied but may be appealed with documentation of medical necessity. See all MUE limits →

FIRMAGON Clinical Information

Indications and drug classification.

Treated Diseases & Conditions

This list of indications is not exhaustive and may be subject to errors. The information on BuyandBill.com is intended for informational purposes only and should not be used for medical advice.

Advanced Prostate Cancer

Frequently Asked Questions

Is there an available Firmagon billing and coding guide?

Billing and coding information for FIRMAGON can be found through Ferring Pharmaceuticals. Visit Here →

Are there any available Firmagon patient assistance programs?

FIRMAGON patient assistance information can be found through Ferring Pharmaceuticals. Visit Here →

Where can I find Firmagon prescribing information?

FIRMAGON prescribing information can be found at the link below: Visit Here →

Where can I find Firmagon side effect information?

Information regarding FIRMAGON's side effects can be found at MedlinePlus Visit Here →

Does billing FIRMAGON require JZ/JW wastage modifiers?

CMS has identified FIRMAGON(J9155) as a HCPCS code with single-dose containers. Therefore, the JW/JZ wastage modifiers could be required for billing purposes. See CMS guidelines on use of the JZ and JW wastage modifiers below.

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