Home Drug Codes J Codes J9037 · BLENREP
Updated July 1st, 2026

BLENREP J Code: J9037

Injection, belantamab mafodotin-blmf, 0.5 mg

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Medicare Payment Limit ?
Not published
CMS publishes none for Q3 2026
APC Payment Limit ?
Not published
CMS publishes none for Q3 2026
ASP ?
No current ASP
Not available for Q3 2026
WAC · AWP ?
$•••.••
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NDCs Crosswalked ?
1
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Drug & Product Overview

HCPCS Descriptor Injection, belantamab mafodotin-blmf, 0.5 mg
HCPCS Added Date April 1, 2021
Manufacturer GSK
Generic Status HCPCS Discontinued

About BLENREP

Blenrep is a medication aligned to the HCPCS J Code: J9037 for billing, pricing, and reimbursement purposes in the United States. It is an Oncology drug manufactured by GSK.

Manufacturers, reach out to us to add more information.

NDC Code Information

1 NDC package is crosswalked to J9037. Package detail is available to logged-in subscribers.

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BLENREP CPT Administration Codes

The below list of CPT codes is intended for informational purposes only and may not be exhaustive. CPT® codes and descriptions are copyright American Medical Association (AMA). All rights reserved.

CPT Code Description
96413 Chemotherapy administration, intravenous infusion technique; up to 1 hour, single or initial substance/drug
96415 Chemotherapy administration, intravenous infusion technique; each additional hour (List separately in addition to code for primary procedure)
JW / JZ modifiers apply

CMS has identified Blenrep (J9037) as a HCPCS code with single-dose containers. Therefore, the JW/JZ wastage modifiers could be required for billing purposes. Wastage billing guide →

BLENREP 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.

None (U.S. approval withdrawn; no current FDA-approved indications)

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Frequently Asked Questions

Is there an available Blenrep billing and coding guide?
Our team has not identified a manufacturer-published source of billing and coding information for BLENREP.
Are there any available Blenrep patient assistance programs?
Our team has not identified a manufacturer-published source of patient assistance information for BLENREP.
Where can I find Blenrep prescribing information?
BLENREP prescribing information can be found at the link below: Visit Here →
Where can I find Blenrep side effect information?
Information regarding BLENREP's side effects can be found at MedlinePlus Visit Here →
Does billing BLENREP require JZ/JW wastage modifiers?
CMS has identified BLENREP(J9037) 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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