How many J9065 billing units are in a package of Cladribine?

CMS lists 10 billing units per package, depending on the NDC, where one unit is 1 mg. Units to report are based on the dose given, not the package.

No. J9065 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.

Cladribine J-Code J9065 — Billing Units & NDCs

In short

Cladribine is billed under HCPCS J9065 — Injection, cladribine, per 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 4 Cladribine NDCs under this code.

J9065 code details

Reference

J9065: Injection, cladribine, per 1 mgBilling unit: 1 mg
Labelers: FreseniUS Kabi USA, LLC; Hikma Pharmaceuticals USA Inc.; Hisun Pharmaceuticals USA, Inc

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$7.872

Per1 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

Cladribine units and claim line

Enter the dose given to get the J9065 units and the NDC line for the CMS-1500 and the 837P.

Dose given (mg)

HCPCS units (1 unit = 1 mg)

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the dose given to build the claim line.

Cladribine 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.

Cladribine NDCs in the CMS ASP crosswalk
NDC (11-digit)	HCPCS	Labeler	Package	Billing units per package
00143-9871-01	J9065	Hikma Pharmaceuticals USA Inc.	10	10
42658-0010-01	J9065	Hisun Pharmaceuticals USA, Inc	10	10
42658-0010-91	J9065	Hisun Pharmaceuticals USA, Inc	10	10
63323-0140-10	J9065	FreseniUS Kabi USA, LLC	10	10

Cladribine: common questions

What is the J-code for Cladribine?: Cladribine is billed under HCPCS J9065 — Injection, cladribine, per 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 4 Cladribine NDCs under this code.
How many J9065 billing units are in a package of Cladribine?: CMS lists 10 billing units per package, depending on the NDC, where one unit is 1 mg. Units to report are based on the dose given, not the package.
Is J9065 a CPT code?: No. J9065 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.

Cladribine J-Code / HCPCS Code