No. J1626 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 J1626?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 5 NDCs under J1626, for Granisetron HCl. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J1626?

$0.16 per 100 mcg, 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.

What is one billing unit of J1626?

One unit of J1626 is 100 mcg, as stated in the code's descriptor. Units to report = dose given ÷ 100 mcg.

J1626 J-Code: Granisetron hydrochloride — Billing Units

In short

J1626 is the HCPCS Level II code for injection, granisetron hydrochloride, 100 mcg. CMS assigns NDCs for Granisetron HCl to it. One billing unit is 100 mcg. The Medicare Part B payment limit is $0.16 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ1626

Billing unit100 mcg

Descriptor: Injection, granisetron hydrochloride, 100 mcg
Short descriptor: Granisetron hcl injection
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 2009

The billing unit is read from the descriptor. Confirm it against the CMS file before billing.

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$0.16

Per100 mcg

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

Units = dose given ÷ 100 mcg. For example, 10000 mcg is 100 units. Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.

Dose given (mcg)

HCPCS units (1 unit = 100 mcg)

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the dose given to build the claim line.

NDCs billed under J1626

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 5 NDCs to J1626 for Granisetron HCl. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J1626 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Granisetron HCl	00143-9744-10	Hikma Pharmaceuticals USA Inc.	10 × 1	100
Granisetron HCl	00143-9745-05	Hikma Pharmaceuticals USA Inc.	5 × 4	200
Granisetron HCl	63323-0318-01	FreseniUS Kabi USA, LLC	1	10
Granisetron HCl	67457-0863-01	Mylan Institutional LLC	1	10
Granisetron HCl	67457-0864-04	Mylan Institutional LLC	4	40

J1626: common questions

Is J1626 a CPT code?: No. J1626 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 J1626?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 5 NDCs under J1626, for Granisetron HCl. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J1626?: $0.16 per 100 mcg, 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.
What is one billing unit of J1626?: One unit of J1626 is 100 mcg, as stated in the code's descriptor. Units to report = dose given ÷ 100 mcg. J-code billing units.

J1626 — Injection, granisetron hydrochloride, 100 mcg