HCPCS Level II drug code
J1670 — Injection, tetanus immune globulin, human, up to 250 units
In short
J1670 is the HCPCS Level II code for injection, tetanus immune globulin, human, up to 250 units. CMS assigns NDCs for Hypertet to it. The Medicare Part B payment limit is $600.635 per unit (October 1, 2026 through December 31, 2026).
Code
CMS HCPCS file- Descriptor
- Injection, tetanus immune globulin, human, up to 250 units
- Short descriptor
- Tetanus immune globulin inj
- Code set
- HCPCS Level II, maintained by CMS
- Effective
- Jan 1, 1997
Medicare Part B payment limit
CMS ASP fileEffective 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.
Enter the units to build the claim line.
NDCs billed under J1670
CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 1 NDC to J1670 for Hypertet. Billing units per package are CMS’s figures for this code’s unit.
| Drug | NDC (11-digit) | Labeler | Package | Billing units per package |
|---|---|---|---|---|
| Hypertet | 13533-0634-02 | Grifols USA, LLC | 1 | 1 |
J1670: common questions
- Is J1670 a CPT code?
- No. J1670 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 J1670?
- CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 1 NDC under J1670, for Hypertet. The table on this page shows each one with its billing units per package.
- What is the Medicare payment limit for J1670?
- $600.635 per 250 units, 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.