How many J1308 billing units are in a package of Famotidine?

CMS lists 80 to 8,000 billing units per package, depending on the NDC, where one unit is 0.25 mg. Units to report are based on the dose given, not the package.

No. J1308 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.

Famotidine J-Code J1308 — Billing Units & NDCs

In short

Famotidine is billed under HCPCS J1308 — Injection, famotidine, 0.25 mg. One billing unit is 0.25 mg. CMS's crosswalk lists 16 Famotidine NDCs under this code.

J1308 code details

Reference

J1308: Injection, famotidine, 0.25 mgBilling unit: 0.25 mg
Labelers: Athenex Pharmaceutical Division, LLC; Baxter Healthcare Corporation; FreseniUS Kabi USA, LLC; HF Acquisition Co. LLC, DBA HealthFirst; Hikma Pharmaceuticals USA Inc.; Mylan Institutional LLC; Sagent Pharmaceuticals

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$0.009

Per0.25 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

Famotidine units and claim line

Enter the dose given to get the J1308 units and the NDC line for the CMS-1500 and the 837P.

Dose given (mg)

HCPCS units (1 unit = 0.25 mg)

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the dose given to build the claim line.

Famotidine 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.

Famotidine NDCs in the CMS ASP crosswalk
NDC (11-digit)	HCPCS	Labeler	Package	Billing units per package
00338-5197-41	J1308	Baxter Healthcare Corporation	12 × 50	960
00641-6021-10	J1308	Hikma Pharmaceuticals USA Inc.	10 × 20	8000
00641-6022-25	J1308	Hikma Pharmaceuticals USA Inc.	25 × 2	2000
00641-6023-10	J1308	Hikma Pharmaceuticals USA Inc.	10 × 4	1600
25021-0753-02	J1308	Sagent Pharmaceuticals	25 × 2	2000
51662-1375-01	J1308	HF Acquisition Co. LLC, DBA HealthFirst	2	80
51662-1375-02	J1308	HF Acquisition Co. LLC, DBA HealthFirst	2	80
63323-0738-09	J1308	FreseniUS Kabi USA, LLC	10 × 4	1600
63323-0738-20	J1308	FreseniUS Kabi USA, LLC	10 × 20	8000
63323-0739-12	J1308	FreseniUS Kabi USA, LLC	25 × 2	2000
63323-0739-16	J1308	FreseniUS Kabi USA, LLC	25 × 2	2000
67457-0433-22	J1308	Mylan Institutional LLC	25 × 2	2000
67457-0448-43	J1308	Mylan Institutional LLC	10 × 4	1600
67457-0457-20	J1308	Mylan Institutional LLC	10 × 20	8000
70860-0751-02	J1308	Athenex Pharmaceutical Division, LLC	25 × 2	2000
70860-0753-20	J1308	Athenex Pharmaceutical Division, LLC	10 × 20	8000

Famotidine: common questions

What is the J-code for Famotidine?: Famotidine is billed under HCPCS J1308 — Injection, famotidine, 0.25 mg. One billing unit is 0.25 mg. CMS's crosswalk lists 16 Famotidine NDCs under this code.
How many J1308 billing units are in a package of Famotidine?: CMS lists 80 to 8,000 billing units per package, depending on the NDC, where one unit is 0.25 mg. Units to report are based on the dose given, not the package.
Is J1308 a CPT code?: No. J1308 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.

Famotidine J-Code / HCPCS Code