HCPCS drug code · CMS crosswalk
Heparin Sodium J-Code / HCPCS Code
In short
Heparin Sodium is billed under HCPCS J1644 — Injection, heparin sodium, per 1000 units. One billing unit is 1000 units. CMS's crosswalk lists 52 Heparin Sodium NDCs under this code.
Reference
- J1644
- Injection, heparin sodium, per 1000 unitsBilling unit: 1000 units
- Labelers
- B. Braun Medical Inc.; BE Pharmaceuticals Inc.; Baxter Healthcare Corporation; FreseniUS Kabi USA, LLC; HF Acquisition Co. LLC, DBA HealthFirst; Henry Schein Inc.; Hepalink USA, Inc.; Meitheal Pharmaceuticals Inc.and 5 more
Medicare Part B payment limit
CMS ASP filePayment limit per unit$0.201
Per1000 units
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
Heparin Sodium units and claim line
Enter the dose given to get the J1644 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Heparin Sodium 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.
| NDC (11-digit) | HCPCS | Labeler | Package | Billing units per package |
|---|---|---|---|---|
| 00264-9872-00 | J1644 | B. Braun Medical Inc. | 12 × 1000 | 24 |
| 00338-0431-03 | J1644 | Baxter Healthcare Corporation | 18 × 500 | 18 |
| 00404-9872-01 | J1644 | Henry Schein Inc. | 1 | 5 |
| 00404-9873-01 | J1644 | Henry Schein Inc. | 1 | 10 |
| 00404-9979-01 | J1644 | Henry Schein Inc. | 1 | 1 |
| 00409-1402-12 | J1644 | Pfizer Inc | 50 × 1 | 250 |
| 00409-4520-30 | J1644 | Pfizer Inc | 30 × 250 | 750 |
| 00781-3538-25 | J1644 | Sandoz Inc. | 25 × 1 | 25 |
| 00781-3540-25 | J1644 | Sandoz Inc. | 25 × 10 | 250 |
| 00781-3543-25 | J1644 | Sandoz Inc. | 25 × 30 | 750 |
| 00781-3545-25 | J1644 | Sandoz Inc. | 25 × 1 | 125 |
| 00781-3550-25 | J1644 | Sandoz Inc. | 25 × 10 | 1250 |
| 00781-3555-25 | J1644 | Sandoz Inc. | 25 × 2 | 50 |
| 25021-0400-66 | J1644 | Sagent Pharmaceuticals | 25 × 1 | 25 |
| 25021-0400-67 | J1644 | Sagent Pharmaceuticals | 25 × 10 | 250 |
| 25021-0400-68 | J1644 | Sagent Pharmaceuticals | 25 × 30 | 750 |
| 25021-0402-66 | J1644 | Sagent Pharmaceuticals | 25 × 1 | 125 |
| 25021-0403-66 | J1644 | Sagent Pharmaceuticals | 25 × 1 | 250 |
| 51662-1409-01 | J1644 | HF Acquisition Co. LLC, DBA HealthFirst | 5 | 50 |
| 51662-1409-03 | J1644 | HF Acquisition Co. LLC, DBA HealthFirst | 25 × 5 | 1250 |
| 51662-1434-01 | J1644 | HF Acquisition Co. LLC, DBA HealthFirst | 1 | 10 |
| 51662-1486-01 | J1644 | HF Acquisition Co. LLC, DBA HealthFirst | 1 | 10 |
| 63323-0542-13 | J1644 | FreseniUS Kabi USA, LLC | 25 × 1 | 250 |
| 63323-0542-14 | J1644 | FreseniUS Kabi USA, LLC | 25 × 5 | 1250 |
| 63323-0543-13 | J1644 | FreseniUS Kabi USA, LLC | 25 × 0.5 | 125 |
| 71288-0405-81 | J1644 | Meitheal Pharmaceuticals Inc. | 24 × 0.5 | 120 |
| 71288-0406-82 | J1644 | Meitheal Pharmaceuticals Inc. | 24 × 1 | 120 |
| 71288-0449-02 | J1644 | Meitheal Pharmaceuticals Inc. | 25 × 1 | 25 |
| 71288-0450-02 | J1644 | Meitheal Pharmaceuticals Inc. | 25 × 1 | 125 |
| 71288-0451-02 | J1644 | Meitheal Pharmaceuticals Inc. | 25 × 1 | 250 |
| 71839-0117-25 | J1644 | BE Pharmaceuticals Inc. | 25 × 2 | 50 |
| 71839-0118-25 | J1644 | BE Pharmaceuticals Inc. | 25 × 0.5 | 125 |
| 72603-0179-25 | J1644 | Northstar RxLLC | 25 × 10 | 250 |
| 72603-0214-25 | J1644 | Northstar RxLLC | 25 × 10 | 1250 |
| 72603-0224-25 | J1644 | Northstar RxLLC | 25 × 1 | 500 |
| 72603-0234-25 | J1644 | Northstar RxLLC | 25 × 1 | 25 |
| 72603-0250-25 | J1644 | Northstar RxLLC | 25 × 1 | 25 |
| 72603-0267-25 | J1644 | Northstar RxLLC | 25 × 30 | 750 |
| 72603-0336-25 | J1644 | Northstar RxLLC | 25 × 2 | 50 |
| 72603-0412-25 | J1644 | Northstar RxLLC | 25 × 1 | 125 |
| 72603-0456-25 | J1644 | Northstar RxLLC | 25 × 1 | 125 |
| 72603-0501-25 | J1644 | Northstar RxLLC | 25 × 1 | 250 |
| 72603-0579-25 | J1644 | Northstar RxLLC | 25 × 1 | 250 |
| 81565-0203-02 | J1644 | Phlow Corporation | 25 × 10 | 250 |
| 81952-0112-06 | J1644 | Hepalink USA, Inc. | 25 × 1 | 25 |
| 81952-0112-09 | J1644 | Hepalink USA, Inc. | 25 × 10 | 250 |
| 81952-0112-10 | J1644 | Hepalink USA, Inc. | 25 × 30 | 750 |
| 81952-0113-06 | J1644 | Hepalink USA, Inc. | 25 × 1 | 250 |
| 81952-0113-08 | J1644 | Hepalink USA, Inc. | 25 × 5 | 1250 |
| 81952-0114-09 | J1644 | Hepalink USA, Inc. | 25 × 10 | 1250 |
| 81952-0115-07 | J1644 | Hepalink USA, Inc. | 25 × 2 | 50 |
| 81952-0116-06 | J1644 | Hepalink USA, Inc. | 25 × 1 | 500 |
Heparin Sodium: common questions
- What is the J-code for Heparin Sodium?
- Heparin Sodium is billed under HCPCS J1644 — Injection, heparin sodium, per 1000 units. One billing unit is 1000 units. CMS's crosswalk lists 52 Heparin Sodium NDCs under this code.
- How many J1644 billing units are in a package of Heparin Sodium?
- CMS lists 1 to 1,250 billing units per package, depending on the NDC, where one unit is 1000 units. Units to report are based on the dose given, not the package.
- Is J1644 a CPT code?
- No. J1644 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.