How many J9179 billing units are in a package of Eribulin Mesylate?

CMS lists 10 billing units per package, depending on the NDC, where one unit is 0.1 mg. Units to report are based on the dose given, not the package.

No. J9179 is a HCPCS Level II code from CMS for the drug itself. Giving it, for example by injection or infusion, is usually reported with a separate CPT administration code.

Eribulin Mesylate J-Code J9179 — Billing Units & NDCs

In short

Eribulin Mesylate is billed under HCPCS J9179 — Injection, eribulin mesylate, 0.1 mg. One billing unit is 0.1 mg. CMS's crosswalk lists 10 Eribulin Mesylate NDCs under this code.

J9179 code details

Reference

J9179: Injection, eribulin mesylate, 0.1 mgBilling unit: 0.1 mg
Labelers: Apotex Corp; Baxter Healthcare Corporation; BluePoint Laboratories; Dr. Reddy's Laboratories Inc.; Glenmark Pharmaceuticals Inc., USA; Hikma Pharmaceuticals USA Inc.; Long Grove Pharmaceuticals, LLC; Northstar RxLLCand 2 more

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$63.972

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

Eribulin Mesylate units and claim line

Enter the dose given to get the J9179 units and the NDC line for the CMS-1500 and the 837P.

Dose given (mg)

HCPCS units (1 unit = 0.1 mg)

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the dose given to build the claim line.

Eribulin Mesylate NDCs and billing units

From CMS’s ASP NDC–HCPCS crosswalk, effective October 1, 2026 through December 31, 2026. Billing units per package are CMS’s figures for the code’s unit.

Eribulin Mesylate NDCs in the CMS ASP crosswalk
NDC (11-digit)	HCPCS	Labeler	Package	Billing units per package
00143-9167-01	J9179	Hikma Pharmaceuticals USA Inc.	2	10
00781-3391-94	J9179	Sandoz Inc.	2	10
10019-0080-01	J9179	Baxter Healthcare Corporation	2	10
39822-2080-01	J9179	XGen Pharmaceuticals DJB, Inc.	2	10
43598-0125-11	J9179	Dr. Reddy's Laboratories Inc.	2	10
60505-6289-00	J9179	Apotex Corp	2	10
68001-0656-41	J9179	BluePoint Laboratories	2	10
68462-0770-20	J9179	Glenmark Pharmaceuticals Inc., USA	2	10
72603-0368-01	J9179	Northstar RxLLC	2	10
81298-3890-01	J9179	Long Grove Pharmaceuticals, LLC	2	10

Eribulin Mesylate: common questions

What is the J-code for Eribulin Mesylate?: Eribulin Mesylate is billed under HCPCS J9179 — Injection, eribulin mesylate, 0.1 mg. One billing unit is 0.1 mg. CMS's crosswalk lists 10 Eribulin Mesylate NDCs under this code.
How many J9179 billing units are in a package of Eribulin Mesylate?: CMS lists 10 billing units per package, depending on the NDC, where one unit is 0.1 mg. Units to report are based on the dose given, not the package.
Is J9179 a CPT code?: No. J9179 is a HCPCS Level II code from CMS for the drug itself. Giving it, for example by injection or infusion, is usually reported with a separate CPT administration code.

Eribulin Mesylate J-Code / HCPCS Code