No. J9325 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 J9325?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 2 NDCs under J9325, for Imlygic. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J9325?

$77.657 per 1 million pfu, 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.

J9325 J-Code: Imlygic (talimogene laherparepvec)

In short

J9325 is the HCPCS Level II code for injection, talimogene laherparepvec, per 1 million plaque forming units. CMS assigns NDCs for Imlygic to it. The Medicare Part B payment limit is $77.657 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ9325

Billing unitSee descriptor

Descriptor: Injection, talimogene laherparepvec, per 1 million plaque forming units
Short descriptor: Inj talimogene laherparepvec
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 2017

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$77.657

Per1 million pfu

Coinsurance18.53%

Effective October 1, 2026 through December 31, 2026. Payment allowance limits subject to the ASP methodology are based on 2Q26 ASP data. CMS note: Inflation-adjusted coinsurance. 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 J9325

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 2 NDCs to J9325 for Imlygic. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J9325 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Imlygic	55513-0078-01	Amgen Inc	1	1
Imlygic	55513-0079-01	Amgen Inc	1	100

J9325: common questions

Is J9325 a CPT code?: No. J9325 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 J9325?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 2 NDCs under J9325, for Imlygic. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J9325?: $77.657 per 1 million pfu, 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.

J9325 — Injection, talimogene laherparepvec, per 1 million plaque forming units