In short

J1939 is the HCPCS Level II code for injection, bumetanide, 0.5 mg. CMS assigns NDCs for Bumetanide to it. One billing unit is 0.5 mg. The Medicare Part B payment limit is $0.493 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file
HCPCS codeJ1939
Billing unit0.5 mg
Descriptor
Injection, bumetanide, 0.5 mg
Short descriptor
Inj, bumetanide, 0.5 mg
Code set
HCPCS Level II, maintained by CMS
Effective
Jan 1, 2025

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

Medicare Part B payment limit

CMS ASP file
Payment limit per unit$0.493
Per0.5 mg
Coinsurance20%

Effective October 1, 2026 through December 31, 2026. Payment allowance limits subject to the ASP methodology are based on 2Q26 ASP data. A payment limit is not a coverage decision; the Medicare contractor decides coverage. CMS ASP pricing files

Units and claim line

Units = dose given ÷ 0.5 mg. For example, 50 mg is 100 units. Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.

Enter the dose given to build the claim line.

NDCs billed under J1939

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 21 NDCs to J1939 for Bumetanide. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J1939 in the CMS ASP crosswalk
DrugNDC (11-digit)LabelerPackageBilling units per package
Bumetanide00641-6007-10Hikma Pharmaceuticals USA Inc.10 × 1050
Bumetanide00641-6008-10Hikma Pharmaceuticals USA Inc.10 × 420
Bumetanide00641-6161-10Hikma Pharmaceuticals USA Inc.10 × 420
Bumetanide00641-6162-10Hikma Pharmaceuticals USA Inc.10 × 1050
Bumetanide00641-6284-10Hikma Pharmaceuticals USA Inc.10 × 420
Bumetanide00641-6285-10Hikma Pharmaceuticals USA Inc.10 × 1050
Bumetanide25021-0321-04Sagent Pharmaceuticals10 × 420
Bumetanide25021-0321-10Sagent Pharmaceuticals10 × 1050
Bumetanide65219-0570-04FreseniUS Kabi USA, LLC10 × 420
Bumetanide65219-0572-10FreseniUS Kabi USA, LLC10 × 1050
Bumetanide68462-0469-54Glenmark Pharmaceuticals Inc., USA10 × 420
Bumetanide68462-0470-54Glenmark Pharmaceuticals Inc., USA10 × 1050
Bumetanide70748-0323-10Lupin Pharmaceuticals, Inc.10 × 420
Bumetanide70748-0323-11Lupin Pharmaceuticals, Inc.10 × 1050
Bumetanide70860-0406-10Athenex Pharmaceutical Division, LLC10 × 1050
Bumetanide72205-0101-07Novadoz Pharmaceuticals LLC10 × 420
Bumetanide72205-0102-07Novadoz Pharmaceuticals LLC10 × 1050
Bumetanide72572-0040-10Civica, Inc.10 × 420
Bumetanide72572-0041-10Civica, Inc.10 × 1050
Bumetanide83301-0080-02Mullan Pharmaceutical Inc.10 × 420
Bumetanide83301-0081-02Mullan Pharmaceutical Inc.10 × 1050

J1939: common questions

Is J1939 a CPT code?
No. J1939 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 NDCs are billed under J1939?
CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 21 NDCs under J1939, for Bumetanide. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J1939?
$0.493 per 0.5 mg, effective October 1, 2026 through December 31, 2026, from CMS's Part B drug payment limit file. Multiply by the units billed for the allowed amount before deductible and coinsurance. It is not a coverage decision.
What is one billing unit of J1939?
One unit of J1939 is 0.5 mg, as stated in the code's descriptor. Units to report = dose given ÷ 0.5 mg. J-code billing units.

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