No. J7183 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.

What NDCs are billed under J7183?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 2 NDCs under J7183, for Wilate. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J7183?

$1.304 per 1 i.u. vwf:rco, 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.

J7183 J-Code: Wilate (von willebrand factor complex)

In short

J7183 is the HCPCS Level II code for injection, von willebrand factor complex (human), wilate, 1 i.u. vwf:rco. CMS assigns NDCs for Wilate to it. The Medicare Part B payment limit is $1.304 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ7183

Billing unitSee descriptor

Descriptor: Injection, von willebrand factor complex (human), wilate, 1 i.u. vwf:rco
Short descriptor: Wilate injection
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 2012

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$1.304

Per1 i.u. vwf:rco

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.

HCPCS units

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the units to build the claim line.

NDCs billed under J7183

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 2 NDCs to J7183 for Wilate. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J7183 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Wilate	68982-0182-01	Octapharma USA Inc.	1	1
Wilate	68982-0182-02	Octapharma USA Inc.	1	1

J7183: common questions

Is J7183 a CPT code?: No. J7183 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 J7183?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 2 NDCs under J7183, for Wilate. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J7183?: $1.304 per 1 i.u. vwf:rco, 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.

J7183 — Injection, von willebrand factor complex (human), wilate, 1 i.u. vwf:rco