How many J3430 billing units are in a package of Vitamin K1?

CMS lists 25 to 250 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. J3430 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.

Vitamin K1 J-Code J3430 — Billing Units & NDCs

In short

Vitamin K1 is billed under HCPCS J3430 — Injection, phytonadione (vitamin k), per 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 5 Vitamin K1 NDCs under this code.

J3430 code details

Reference

J3430: Injection, phytonadione (vitamin k), per 1 mgBilling unit: 1 mg
Labelers: HF Acquisition Co. LLC, DBA HealthFirst; Pfizer Inc

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$3.989

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

Vitamin K1 units and claim line

Enter the dose given to get the J3430 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.

Vitamin K1 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.

Vitamin K1 NDCs in the CMS ASP crosswalk
NDC (11-digit)	HCPCS	Labeler	Package	Billing units per package
00409-9157-01	J3430	Pfizer Inc	25 × 0.5	25
00409-9158-01	J3430	Pfizer Inc	25 × 1	250
00409-9158-25	J3430	Pfizer Inc	25 × 1	250
51662-1536-03	J3430	HF Acquisition Co. LLC, DBA HealthFirst	25 × 1	250
51662-1537-03	J3430	HF Acquisition Co. LLC, DBA HealthFirst	25 × 0.5	25

Vitamin K1: common questions

What is the J-code for Vitamin K1?: Vitamin K1 is billed under HCPCS J3430 — Injection, phytonadione (vitamin k), per 1 mg. One billing unit is 1 mg. CMS's crosswalk lists 5 Vitamin K1 NDCs under this code.
How many J3430 billing units are in a package of Vitamin K1?: CMS lists 25 to 250 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 J3430 a CPT code?: No. J3430 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.

Vitamin K1 J-Code / HCPCS Code