In short

J7186 is the HCPCS Level II code for injection, antihemophilic factor viii/von willebrand factor complex (human), per factor viii i.u. CMS assigns NDCs for Alphanate to it. The Medicare Part B payment limit is $1.267 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file
HCPCS codeJ7186
Billing unitSee descriptor
Descriptor
Injection, antihemophilic factor viii/von willebrand factor complex (human), per factor viii i.u.
Short descriptor
Antihemophilic viii/vwf comp
Code set
HCPCS Level II, maintained by CMS
Effective
Jan 1, 2009

Medicare Part B payment limit

CMS ASP file
Payment limit per unit$1.267
Perper factor viii iu
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

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

Enter the units to build the claim line.

NDCs billed under J7186

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 5 NDCs to J7186 for Alphanate. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J7186 in the CMS ASP crosswalk
DrugNDC (11-digit)LabelerPackageBilling units per package
Alphanate68516-4616-01Grifols USA, LLC11
Alphanate68516-4617-01Grifols USA, LLC11
Alphanate68516-4618-02Grifols USA, LLC11
Alphanate68516-4619-02Grifols USA, LLC11
Alphanate68516-4620-02Grifols USA, LLC11

J7186: common questions

Is J7186 a CPT code?
No. J7186 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 J7186?
CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 5 NDCs under J7186, for Alphanate. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J7186?
$1.267 per per factor viii iu, 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.

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