No. J9050 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 NDCs are billed under J9050?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 11 NDCs under J9050, for Bicnu and Carmustine. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J9050?

$195.73 per 100 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 J9050?

One unit of J9050 is 100 mg, as stated in the code's descriptor. Units to report = dose given ÷ 100 mg.

J9050 J-Code: Bicnu (carmustine) — Billing Units & NDCs

In short

J9050 is the HCPCS Level II code for injection, carmustine, 100 mg. CMS assigns NDCs for Bicnu and Carmustine to it. One billing unit is 100 mg. The Medicare Part B payment limit is $195.73 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ9050

Billing unit100 mg

Descriptor: Injection, carmustine, 100 mg
Short descriptor: Carmustine injection
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 2009

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$195.73

Per100 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 ÷ 100 mg. For example, 10000 mg is 100 units. Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.

Dose given (mg)

HCPCS units (1 unit = 100 mg)

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the dose given to build the claim line.

NDCs billed under J9050

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 11 NDCs to J9050 for Bicnu and Carmustine. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J9050 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Bicnu	23155-0261-41	Heritage Pharmaceuticals Inc.	1	1
Carmustine	00781-3474-32	Sandoz Inc.	1	1
Carmustine	23155-0649-41	Heritage Pharmaceuticals Inc.	1	1
Carmustine	23155-0790-41	Heritage Pharmaceuticals Inc.	1	1
Carmustine	43598-0628-57	Dr. Reddy's Laboratories Inc.	1	1
Carmustine	62332-0659-02	Alembic Pharmaceuticals Inc.	1	1
Carmustine	70121-1482-02	Amneal Pharmaceuticals, LLC	1	1
Carmustine	70710-1525-09	Zydus Pharmaceuticals (USA) Inc.	1	1
Carmustine	70860-0223-61	Athenex Pharmaceutical Division, LLC	1	1
Carmustine	71288-0126-90	Meitheal Pharmaceuticals Inc.	1	1
Carmustine	72205-0198-01	Novadoz Pharmaceuticals LLC	1	1

J9050: common questions

Is J9050 a CPT code?: No. J9050 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 J9050?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 11 NDCs under J9050, for Bicnu and Carmustine. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J9050?: $195.73 per 100 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 J9050?: One unit of J9050 is 100 mg, as stated in the code's descriptor. Units to report = dose given ÷ 100 mg. J-code billing units.

J9050 — Injection, carmustine, 100 mg