No. J2680 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 J2680?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 8 NDCs under J2680, for Fluphenazine Decanoate. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J2680?

$6.174 per 25 mg, 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.

J2680 J-Code: Fluphenazine decanoate — Billing Units

In short

J2680 is the HCPCS Level II code for injection, fluphenazine decanoate, up to 25 mg. CMS assigns NDCs for Fluphenazine Decanoate to it. The Medicare Part B payment limit is $6.174 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ2680

Billing unitSee descriptor

Descriptor: Injection, fluphenazine decanoate, up to 25 mg
Short descriptor: Fluphenazine decanoate 25 mg
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 1997

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$6.174

Per25 mg

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 J2680

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 8 NDCs to J2680 for Fluphenazine Decanoate. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J2680 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Fluphenazine Decanoate	00143-9529-01	Hikma Pharmaceuticals USA Inc.	5	5
Fluphenazine Decanoate	25021-0838-05	Sagent Pharmaceuticals	5	5
Fluphenazine Decanoate	42023-0129-01	Endo USA, Inc.	5	5
Fluphenazine Decanoate	42023-0129-89	Endo USA, Inc.	5	5
Fluphenazine Decanoate	55150-0267-05	Eugia US LLC	5	5
Fluphenazine Decanoate	63323-0272-05	FreseniUS Kabi USA, LLC	5	5
Fluphenazine Decanoate	67457-0359-59	Mylan Institutional LLC	5	5
Fluphenazine Decanoate	72205-0100-01	Novadoz Pharmaceuticals LLC	5	5

J2680: common questions

Is J2680 a CPT code?: No. J2680 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 J2680?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 8 NDCs under J2680, for Fluphenazine Decanoate. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J2680?: $6.174 per 25 mg, 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.

J2680 — Injection, fluphenazine decanoate, up to 25 mg