No. J2690 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 J2690?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 11 NDCs under J2690, for Procainamide HCl. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J2690?

$394.868 per 1 gm, 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.

J2690 J-Code: Procainamide hcl — Billing Units & NDCs

In short

J2690 is the HCPCS Level II code for injection, procainamide hcl, up to 1 gm. CMS assigns NDCs for Procainamide HCl to it. The Medicare Part B payment limit is $394.868 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ2690

Billing unitSee descriptor

Descriptor: Injection, procainamide hcl, up to 1 gm
Short descriptor: Procainamide hcl injection
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 2024

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$394.868

Per1 gm

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 J2690

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 11 NDCs to J2690 for Procainamide HCl. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J2690 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Procainamide HCl	00409-1902-01	Pfizer Inc	25 × 10	25
Procainamide HCl	14789-0900-02	Nexus Pharmaceuticals, LLC	10 × 2	10
Procainamide HCl	14789-0901-10	Nexus Pharmaceuticals, LLC	10 × 10	10
Procainamide HCl	25021-0322-10	Sagent Pharmaceuticals	10 × 10	10
Procainamide HCl	25021-0323-02	Sagent Pharmaceuticals	10 × 2	10
Procainamide HCl	51662-1334-01	HF Acquisition Co. LLC, DBA HealthFirst	10	1
Procainamide HCl	51662-1334-03	HF Acquisition Co. LLC, DBA HealthFirst	25 × 10	25
Procainamide HCl	51662-1630-01	Henry Schein Inc.	10	1
Procainamide HCl	51662-1630-03	HF Acquisition Co. LLC, DBA HealthFirst	5 × 10	5
Procainamide HCl	65145-0155-10	Caplin Steriles USA Inc.	10 × 10	10
Procainamide HCl	65145-0156-10	Caplin Steriles USA Inc.	10 × 2	10

J2690: common questions

Is J2690 a CPT code?: No. J2690 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 J2690?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 11 NDCs under J2690, for Procainamide HCl. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J2690?: $394.868 per 1 gm, 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.

J2690 — Injection, procainamide hcl, up to 1 gm