No. J3402 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 J3402?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 9 NDCs under J3402, for Ryoncil. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J3402?

$202,159.938 per per therapeutic dose, 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.

J3402 J-Code: Ryoncil (remestemcel-l-rknd) — Billing Units

In short

J3402 is the HCPCS Level II code for injection, remestemcel-l-rknd, per therapeutic dose. CMS assigns NDCs for Ryoncil to it. The Medicare Part B payment limit is $202,159.938 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ3402

Billing unitSee descriptor

Descriptor: Injection, remestemcel-l-rknd, per therapeutic dose
Short descriptor: Inj. remestemcel-l-rknd/ td
Code set: HCPCS Level II, maintained by CMS
Effective: Oct 1, 2025

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$202,159.938

Perper therapeutic dose

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 J3402

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 9 NDCs to J3402 for Ryoncil. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J3402 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Ryoncil	73648-0111-01	Mesoblast, Inc.	1	1
Ryoncil	73648-0112-02	Mesoblast, Inc.	1	1
Ryoncil	73648-0113-03	Mesoblast, Inc.	3	1
Ryoncil	73648-0114-01	Mesoblast, Inc.	4	1
Ryoncil	73648-0115-02	Mesoblast, Inc.	5	1
Ryoncil	73648-0116-03	Mesoblast, Inc.	6	1
Ryoncil	73648-0117-04	Mesoblast, Inc.	7	1
Ryoncil	73648-0118-02	Mesoblast, Inc.	8	1
Ryoncil	73648-0122-03	Mesoblast, Inc.	1	1

J3402: common questions

Is J3402 a CPT code?: No. J3402 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 J3402?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 9 NDCs under J3402, for Ryoncil. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J3402?: $202,159.938 per per therapeutic dose, 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.

J3402 — Injection, remestemcel-l-rknd, per therapeutic dose