HCPCS Level II drug code
J3285 — Injection, treprostinil, 1 mg
In short
J3285 is the HCPCS Level II code for injection, treprostinil, 1 mg. CMS assigns NDCs for Remodulin and Treprostinil Injection to it. One billing unit is 1 mg. The Medicare Part B payment limit is $54.563 per unit (October 1, 2026 through December 31, 2026).
Code
CMS HCPCS file- Descriptor
- Injection, treprostinil, 1 mg
- Short descriptor
- Treprostinil injection
- Code set
- HCPCS Level II, maintained by CMS
- Effective
- Jan 1, 2006
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 J3285
CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 17 NDCs to J3285 for Remodulin and Treprostinil Injection. Billing units per package are CMS’s figures for this code’s unit.
| Drug | NDC (11-digit) | Labeler | Package | Billing units per package |
|---|---|---|---|---|
| Remodulin | 66302-0101-01 | United Therapeutics Corporation | 20 | 20 |
| Remodulin | 66302-0102-01 | United Therapeutics Corporation | 20 | 50 |
| Remodulin | 66302-0105-01 | United Therapeutics Corporation | 20 | 100 |
| Remodulin | 66302-0110-01 | United Therapeutics Corporation | 20 | 200 |
| Remodulin | 66302-0114-01 | United Therapeutics Corporation | 20 | 8 |
| Treprostinil Injection | 00703-0666-01 | Teva Parenteral Medicines, Inc. | 20 | 20 |
| Treprostinil Injection | 00703-0676-01 | Teva Parenteral Medicines, Inc. | 20 | 50 |
| Treprostinil Injection | 00703-0686-01 | Teva Parenteral Medicines, Inc. | 20 | 100 |
| Treprostinil Injection | 00703-0696-01 | Teva Parenteral Medicines, Inc. | 20 | 200 |
| Treprostinil Injection | 00781-3420-80 | Sandoz Inc. | 20 | 20 |
| Treprostinil Injection | 00781-3425-80 | Sandoz Inc. | 20 | 50 |
| Treprostinil Injection | 00781-3427-80 | Sandoz Inc. | 20 | 100 |
| Treprostinil Injection | 00781-3430-80 | Sandoz Inc. | 20 | 200 |
| Treprostinil Injection | 43598-0646-11 | Dr. Reddy's Laboratories Inc. | 20 | 50 |
| Treprostinil Injection | 43598-0647-11 | Dr. Reddy's Laboratories Inc. | 20 | 100 |
| Treprostinil Injection | 43598-0648-11 | Dr. Reddy's Laboratories Inc. | 20 | 200 |
| Treprostinil Injection | 43598-0649-11 | Dr. Reddy's Laboratories Inc. | 20 | 20 |
J3285: common questions
- Is J3285 a CPT code?
- No. J3285 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 J3285?
- CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 17 NDCs under J3285, for Remodulin and Treprostinil Injection. The table on this page shows each one with its billing units per package.
- What is the Medicare payment limit for J3285?
- $54.563 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 J3285?
- One unit of J3285 is 1 mg, as stated in the code's descriptor. Units to report = dose given ÷ 1 mg. J-code billing units.