No. J9037 is a HCPCS Level II code, maintained by CMS, that identifies the drug supplied. CPT codes are five-digit numbers from the AMA that describe services. Giving the drug, for example an injection or infusion, is usually reported with a separate CPT administration code.

What is one billing unit of J9037?

One unit of J9037 is 0.5 mg, as stated in the code's descriptor. Units to report = dose given ÷ 0.5 mg.

J9037 (Retired 2025) — Inj belantamab mafodot blmf

J9037 was retired on Mar 31, 2025

CMS ended J9037 after Mar 31, 2025. Don’t report it for later dates of service. Current codes for the same drug:

J9053Injection, belantamab mafodotin-blmf, 0.1 mg

Code

CMS HCPCS file

HCPCS codeJ9037

Billing unit0.5 mg

Descriptor: Injection, belantamab mafodotin-blmf, 0.5 mg
Short descriptor: Inj belantamab mafodot blmf
Code set: HCPCS Level II, maintained by CMS
Effective: Apr 1, 2025

The billing unit is read from the descriptor. Confirm it against the CMS file before billing.

Find the NDC

Med-Code hasn’t mapped J9037 to specific products yet. Search the FDA NDC Directory for the drug named in the descriptor, and check the route and strength match the code.

Search NDCs for belantamab mafodotin-blmf

J9037: common questions

Is J9037 a CPT code?: No. J9037 is a HCPCS Level II code, maintained by CMS, that identifies the drug supplied. CPT codes are five-digit numbers from the AMA that describe services. Giving the drug, for example an injection or infusion, is usually reported with a separate CPT administration code. CPT codes for drug administration.
What is one billing unit of J9037?: One unit of J9037 is 0.5 mg, as stated in the code's descriptor. Units to report = dose given ÷ 0.5 mg. J-code billing units.

J9037 — Injection, belantamab mafodotin-blmf, 0.5 mg

Code

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J9037: common questions

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