In short

J9041 is the HCPCS Level II code for injection, bortezomib, 0.1 mg. CMS assigns NDCs for Bortezomib and Velcade to it. One billing unit is 0.1 mg. The Medicare Part B payment limit is $2.628 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file
HCPCS codeJ9041
Billing unit0.1 mg
Descriptor
Injection, bortezomib, 0.1 mg
Short descriptor
Injection, bortezomib, 0.1mg
Code set
HCPCS Level II, maintained by CMS
Effective
Jan 1, 2023

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$2.628
Per0.1 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 ÷ 0.1 mg. For example, 10 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 J9041

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 20 NDCs to J9041 for Bortezomib and Velcade. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J9041 in the CMS ASP crosswalk
DrugNDC (11-digit)LabelerPackageBilling units per package
Bortezomib00143-9098-01Hikma Pharmaceuticals USA Inc.135
Bortezomib00409-1700-01Pfizer Inc135
Bortezomib10019-0991-01Baxter Healthcare Corporation135
Bortezomib25021-0244-10Sagent Pharmaceuticals135
Bortezomib25021-0262-10Sagent Pharmaceuticals135
Bortezomib43598-0426-60Dr. Reddy's Laboratories Inc.135
Bortezomib50742-0484-01Ingenus Pharmaceuticals LLC135
Bortezomib55150-0337-01Eugia US LLC135
Bortezomib60505-6050-04Apotex Corp135
Bortezomib63323-0821-10FreseniUS Kabi USA, LLC135
Bortezomib68001-0534-36BluePoint Laboratories135
Bortezomib68001-0540-36BluePoint Laboratories135
Bortezomib68001-0541-36BluePoint Laboratories135
Bortezomib70069-0836-01Somerset Pharma, LLC135
Bortezomib70710-1411-01Zydus Pharmaceuticals (USA) Inc.135
Bortezomib70860-0225-10Athenex Pharmaceutical Division, LLC135
Bortezomib71288-0118-10Meitheal Pharmaceuticals Inc.135
Bortezomib72205-0183-01Novadoz Pharmaceuticals LLC135
Bortezomib72603-0270-01Northstar RxLLC135
Velcade63020-0049-01Takeda Pharmaceuticals America, Inc.135

J9041: common questions

Is J9041 a CPT code?
No. J9041 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 J9041?
CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 20 NDCs under J9041, for Bortezomib and Velcade. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J9041?
$2.628 per 0.1 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 J9041?
One unit of J9041 is 0.1 mg, as stated in the code's descriptor. Units to report = dose given ÷ 0.1 mg. J-code billing units.

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