No. J1745 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 J1745?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 2 NDCs under J1745, for Infliximab and Remicade. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J1745?

$29.856 per 10 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.

What is one billing unit of J1745?

One unit of J1745 is 10 mg, as stated in the code's descriptor. Units to report = dose given ÷ 10 mg.

J1745 J-Code: Remicade (infliximab) — Billing Units

In short

J1745 is the HCPCS Level II code for injection, infliximab, excludes biosimilar, 10 mg. CMS assigns NDCs for Infliximab and Remicade to it. One billing unit is 10 mg. The Medicare Part B payment limit is $29.856 per unit (October 1, 2026 through December 31, 2026).

Code

Med-Code curated

HCPCS codeJ1745

Billing unit10 mg

Descriptor: Injection, infliximab, excludes biosimilar, 10 mg
Code set: HCPCS Level II, maintained by CMS
Category: Autoimmune / Anti-TNF

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$29.856

Per10 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

Units = dose given ÷ 10 mg. For example, 1000 mg is 100 units. Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.

Dose given (mg)

HCPCS units (1 unit = 10 mg)

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the dose given to build the claim line.

Drugs mapped to J1745

FDA-listed products billed under J1745

Finished products in the FDA NDC Directory whose brand or single active ingredient, and route, match this code’s entry.

NDC products matching J1745
Product	Strength	Form · route	Labeler	Product NDC
Remicadeinfliximab	Infliximab 100 mg/10mL	Injection, Powder, Lyophilized, For solutionIntravenous	Janssen Biotech, Inc.	57894-030
Renflexisinfliximab	Infliximab 100 mg/1	Injection, Powder, Lyophilized, For solutionIntravenous	Organon LLC	78206-162
Inflectrainfliximab-dyyb	Infliximab 100 mg/10mL	Injection, Powder, Lyophilized, For solutionIntravenous	Pfizer Laboratories Div Pfizer Inc	0069-0809
Avsolainfliximab-axxq	Infliximab 100 mg/10mL	Injection, Powder, Lyophilized, For solutionIntravenous	Amgen, Inc	55513-670
Infliximab	Infliximab 100 mg/10mL	Injection, Powder, Lyophilized, For solutionIntravenous	Janssen Biotech, Inc.	57894-160

All NDCs for these drugs

NDCs billed under J1745

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 2 NDCs to J1745 for Infliximab and Remicade. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J1745 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Infliximab	57894-0160-01	Janssen Biotech, Inc.	1	10
Remicade	57894-0030-01	Janssen Biotech, Inc.	1	10

J1745: common questions

Is J1745 a CPT code?: No. J1745 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 J1745?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 2 NDCs under J1745, for Infliximab and Remicade. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J1745?: $29.856 per 10 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.
What is one billing unit of J1745?: One unit of J1745 is 10 mg, as stated in the code's descriptor. Units to report = dose given ÷ 10 mg. J-code billing units.

J1745 — Injection, infliximab, excludes biosimilar, 10 mg