How many J0665 billing units are in a package of Sensorcaine?

CMS lists 100 to 12,500 billing units per package, depending on the NDC, where one unit is 0.5 mg. Units to report are based on the dose given, not the package.

No. J0665 is a HCPCS Level II code from CMS for the drug itself. Giving it, for example by injection or infusion, is usually reported with a separate CPT administration code.

Sensorcaine J-Code J0665 — Billing Units & NDCs

In short

Sensorcaine is billed under HCPCS J0665 — Injection, bupivicaine, not otherwise specified, 0.5 mg. One billing unit is 0.5 mg. CMS's crosswalk lists 7 Sensorcaine NDCs under this code.

J0665 code details

Reference

J0665: Injection, bupivicaine, not otherwise specified, 0.5 mgBilling unit: 0.5 mg
Labelers: FreseniUS Kabi USA, LLC; HF Acquisition Co. LLC, DBA HealthFirst; Henry Schein Inc.

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$0.01

Per0.5 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

Sensorcaine units and claim line

Enter the dose given to get the J0665 units and the NDC line for the CMS-1500 and the 837P.

Dose given (mg)

HCPCS units (1 unit = 0.5 mg)

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the dose given to build the claim line.

Sensorcaine NDCs and billing units

From CMS’s ASP NDC–HCPCS crosswalk, effective October 1, 2026 through December 31, 2026. Billing units per package are CMS’s figures for the code’s unit.

Sensorcaine NDCs in the CMS ASP crosswalk
NDC (11-digit)	HCPCS	Labeler	Package	Billing units per package
00404-9945-50	J0665	Henry Schein Inc.	50	250
00404-9946-10	J0665	Henry Schein Inc.	10	100
00404-9947-50	J0665	Henry Schein Inc.	50	500
51662-1588-03	J0665	HF Acquisition Co. LLC, DBA HealthFirst	25 × 50	12500
51662-1592-03	J0665	HF Acquisition Co. LLC, DBA HealthFirst	25 × 50	6250
63323-0465-57	J0665	FreseniUS Kabi USA, LLC	25 × 50	6250
63323-0467-57	J0665	FreseniUS Kabi USA, LLC	25 × 50	12500

Sensorcaine: common questions

What is the J-code for Sensorcaine?: Sensorcaine is billed under HCPCS J0665 — Injection, bupivicaine, not otherwise specified, 0.5 mg. One billing unit is 0.5 mg. CMS's crosswalk lists 7 Sensorcaine NDCs under this code.
How many J0665 billing units are in a package of Sensorcaine?: CMS lists 100 to 12,500 billing units per package, depending on the NDC, where one unit is 0.5 mg. Units to report are based on the dose given, not the package.
Is J0665 a CPT code?: No. J0665 is a HCPCS Level II code from CMS for the drug itself. Giving it, for example by injection or infusion, is usually reported with a separate CPT administration code.

Sensorcaine J-Code / HCPCS Code