HCPCS Level II drug code
J3489 — Injection, zoledronic acid, 1 mg
In short
J3489 is the HCPCS Level II code for injection, zoledronic acid, 1 mg. CMS assigns NDCs for Reclast and Zoledronic Acid to it. One billing unit is 1 mg. The Medicare Part B payment limit is $17.673 per unit (October 1, 2026 through December 31, 2026).
Code
CMS HCPCS file- Descriptor
- Injection, zoledronic acid, 1 mg
- Short descriptor
- Zoledronic acid 1mg
- Code set
- HCPCS Level II, maintained by CMS
- Effective
- Jan 1, 2018
The billing unit is read from the descriptor. Confirm it against the CMS file before billing.
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
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 J3489
CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 25 NDCs to J3489 for Reclast and Zoledronic Acid. Billing units per package are CMS’s figures for this code’s unit.
| Drug | NDC (11-digit) | Labeler | Package | Billing units per package |
|---|---|---|---|---|
| Reclast | 66758-0155-46 | Sandoz Inc. | 100 | 5 |
| Zoledronic Acid | 16714-0815-01 | Northstar RxLLC | 5 | 4 |
| Zoledronic Acid | 16729-0242-31 | Accord Healthcare Inc | 5 | 4 |
| Zoledronic Acid | 23155-0170-31 | Heritage Pharmaceuticals Inc. | 5 | 4 |
| Zoledronic Acid | 25021-0801-66 | Sagent Pharmaceuticals | 5 | 4 |
| Zoledronic Acid | 25021-0826-67 | Sagent Pharmaceuticals | 100 | 4 |
| Zoledronic Acid | 25021-0826-82 | Sagent Pharmaceuticals | 100 | 4 |
| Zoledronic Acid | 25021-0830-82 | Sagent Pharmaceuticals | 100 | 5 |
| Zoledronic Acid | 25021-0830-87 | Sagent Pharmaceuticals | 5 × 100 | 25 |
| Zoledronic Acid | 43598-0233-11 | Dr. Reddy's Laboratories Inc. | 5 | 4 |
| Zoledronic Acid | 55111-0685-07 | Dr. Reddy's Laboratories Inc. | 5 | 4 |
| Zoledronic Acid | 55111-0688-52 | Dr. Reddy's Laboratories Inc. | 100 | 5 |
| Zoledronic Acid | 63323-0961-98 | FreseniUS Kabi USA, LLC | 5 | 4 |
| Zoledronic Acid | 63323-0966-00 | FreseniUS Kabi USA, LLC | 100 | 5 |
| Zoledronic Acid | 67457-0390-54 | Mylan Institutional LLC | 5 | 4 |
| Zoledronic Acid | 67457-0619-10 | Mylan Institutional LLC | 100 | 5 |
| Zoledronic Acid | 67457-0794-10 | Mylan Institutional LLC | 100 | 5 |
| Zoledronic Acid | 68001-0437-25 | BluePoint Laboratories | 5 | 4 |
| Zoledronic Acid | 68001-0610-25 | BluePoint Laboratories | 5 | 4 |
| Zoledronic Acid | 68001-0611-33 | BluePoint Laboratories | 100 | 5 |
| Zoledronic Acid | 70860-0210-51 | Athenex Pharmaceutical Division, LLC | 100 | 4 |
| Zoledronic Acid | 70860-0802-82 | Athenex Pharmaceutical Division, LLC | 100 | 5 |
| Zoledronic Acid | 71288-0806-51 | Meitheal Pharmaceuticals Inc. | 100 | 5 |
| Zoledronic Acid | 72266-0152-01 | Fosun Pharma USA Inc. | 100 | 5 |
| Zoledronic Acid | 72603-0198-01 | Northstar RxLLC | 5 | 4 |
J3489: common questions
- Is J3489 a CPT code?
- No. J3489 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 J3489?
- CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 25 NDCs under J3489, for Reclast and Zoledronic Acid. The table on this page shows each one with its billing units per package.
- What is the Medicare payment limit for J3489?
- $17.673 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 J3489?
- One unit of J3489 is 1 mg, as stated in the code's descriptor. Units to report = dose given ÷ 1 mg. J-code billing units.