In short

Tecvayli is billed under HCPCS J9380 — Injection, teclistamab-cqyv, 0.5 mg. One billing unit is 0.5 mg. CMS's crosswalk lists 2 Tecvayli NDCs under this code.

J9380 code details

Reference

J9380
Injection, teclistamab-cqyv, 0.5 mgBilling unit: 0.5 mg
Labelers
Janssen Biotech, Inc.

Medicare Part B payment limit

CMS ASP file
Payment limit per unit$35.818
Per0.5 mg
Coinsurance19.228%

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

Tecvayli units and claim line

Enter the dose given to get the J9380 units and the NDC line for the CMS-1500 and the 837P.

Enter the dose given to build the claim line.

Tecvayli 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.

Tecvayli NDCs in the CMS ASP crosswalk
NDC (11-digit)HCPCSLabelerPackageBilling units per package
57894-0449-01J9380Janssen Biotech, Inc.360
57894-0450-01J9380Janssen Biotech, Inc.1.7306

Tecvayli: common questions

What is the J-code for Tecvayli?
Tecvayli is billed under HCPCS J9380 — Injection, teclistamab-cqyv, 0.5 mg. One billing unit is 0.5 mg. CMS's crosswalk lists 2 Tecvayli NDCs under this code.
How many J9380 billing units are in a package of Tecvayli?
CMS lists 60 to 306 billing units per package, depending on the NDC, where one unit is 0.5 mg. Units to report are based on the dose given, not the package.
Is J9380 a CPT code?
No. J9380 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.

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