In short

J9171 is the HCPCS Level II code for injection, docetaxel, 1 mg. CMS assigns NDCs for Docetaxel to it. One billing unit is 1 mg. The Medicare Part B payment limit is $0.471 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file
HCPCS codeJ9171
Billing unit1 mg
Descriptor
Injection, docetaxel, 1 mg
Short descriptor
Docetaxel injection
Code set
HCPCS Level II, maintained by CMS
Effective
Jan 1, 2024

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$0.471
Per1 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 ÷ 1 mg. For example, 100 mg is 100 units. Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.

Enter the dose given to build the claim line.

NDCs billed under J9171

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 21 NDCs to J9171 for Docetaxel. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J9171 in the CMS ASP crosswalk
DrugNDC (11-digit)LabelerPackageBilling units per package
Docetaxel00143-9204-01Hikma Pharmaceuticals USA Inc.120
Docetaxel00143-9205-01Hikma Pharmaceuticals USA Inc.480
Docetaxel00955-1020-01Sanofi-Aventis U.S. LLC120
Docetaxel00955-1021-04Sanofi-Aventis U.S. LLC480
Docetaxel00955-1022-08Sanofi-Aventis U.S. LLC8160
Docetaxel16729-0267-65Accord Healthcare Inc8160
Docetaxel23155-0903-31Heritage Pharmaceuticals Inc.120
Docetaxel23155-0904-31Heritage Pharmaceuticals Inc.480
Docetaxel23155-0905-31Heritage Pharmaceuticals Inc.8160
Docetaxel25021-0245-01Sagent Pharmaceuticals120
Docetaxel25021-0245-04Sagent Pharmaceuticals480
Docetaxel43066-0046-08Baxter Healthcare Corp.880
Docetaxel43066-0048-16Baxter Healthcare Corp.16160
Docetaxel45963-0734-54Actavis Pharma, Inc.120
Docetaxel45963-0765-52Actavis Pharma, Inc.480
Docetaxel55150-0379-01Eugia US LLC880
Docetaxel55150-0380-01Eugia US LLC16160
Docetaxel67457-0781-08Mylan Institutional LLC8160
Docetaxel70121-1221-01Amneal Pharmaceuticals, LLC120
Docetaxel70121-1222-01Amneal Pharmaceuticals, LLC480
Docetaxel70121-1223-01Amneal Pharmaceuticals, LLC8160

J9171: common questions

Is J9171 a CPT code?
No. J9171 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 J9171?
CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 21 NDCs under J9171, for Docetaxel. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J9171?
$0.471 per 1 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 J9171?
One unit of J9171 is 1 mg, as stated in the code's descriptor. Units to report = dose given ÷ 1 mg. J-code billing units.

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