No. J3000 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 J3000?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 1 NDC under J3000, for Streptomycin Sulfate. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J3000?

$16.407 per 1 gm, 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.

J3000 J-Code: Streptomycin — Billing Units & NDCs

In short

J3000 is the HCPCS Level II code for injection, streptomycin, up to 1 gm. CMS assigns NDCs for Streptomycin Sulfate to it. The Medicare Part B payment limit is $16.407 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ3000

Billing unitSee descriptor

Descriptor: Injection, streptomycin, up to 1 gm
Short descriptor: Streptomycin injection
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 1997

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$16.407

Per1 gm

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 J3000

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 1 NDC to J3000 for Streptomycin Sulfate. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J3000 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Streptomycin Sulfate	39822-0706-02	XGen Pharmaceuticals DJB, Inc.	10 × 1	10

J3000: common questions

Is J3000 a CPT code?: No. J3000 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 J3000?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 1 NDC under J3000, for Streptomycin Sulfate. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J3000?: $16.407 per 1 gm, 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.

J3000 — Injection, streptomycin, up to 1 gm