HCPCS drug code · CMS crosswalk
Heparin (Porcine) Lock Flush J-Code / HCPCS Code
In short
Heparin (Porcine) Lock Flush is billed under HCPCS J1642 — Injection, heparin sodium, (heparin lock flush), per 10 units. One billing unit is 10 units. CMS's crosswalk lists 10 Heparin (Porcine) Lock Flush NDCs under this code.
Reference
- J1642
- Injection, heparin sodium, (heparin lock flush), per 10 unitsBilling unit: 10 units
- Labelers
- Medefil, Inc.
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
Heparin (Porcine) Lock Flush units and claim line
Enter the dose given to get the J1642 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Heparin (Porcine) Lock Flush 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 |
|---|---|---|---|---|
| 64253-0222-21 | J1642 | Medefil, Inc. | 60 × 1 | 60 |
| 64253-0222-23 | J1642 | Medefil, Inc. | 60 × 3 | 180 |
| 64253-0222-33 | J1642 | Medefil, Inc. | 60 × 3 | 180 |
| 64253-0222-35 | J1642 | Medefil, Inc. | 60 × 5 | 300 |
| 64253-0333-21 | J1642 | Medefil, Inc. | 60 × 1 | 600 |
| 64253-0333-23 | J1642 | Medefil, Inc. | 60 × 3 | 1800 |
| 64253-0333-33 | J1642 | Medefil, Inc. | 60 × 3 | 1800 |
| 64253-0333-35 | J1642 | Medefil, Inc. | 60 × 5 | 3000 |
| 64253-0444-22 | J1642 | Medefil, Inc. | 60 × 1 | 12 |
| 64253-0444-25 | J1642 | Medefil, Inc. | 60 × 5 | 30 |
Heparin (Porcine) Lock Flush: common questions
- What is the J-code for Heparin (Porcine) Lock Flush?
- Heparin (Porcine) Lock Flush is billed under HCPCS J1642 — Injection, heparin sodium, (heparin lock flush), per 10 units. One billing unit is 10 units. CMS's crosswalk lists 10 Heparin (Porcine) Lock Flush NDCs under this code.
- How many J1642 billing units are in a package of Heparin (Porcine) Lock Flush?
- CMS lists 12 to 3,000 billing units per package, depending on the NDC, where one unit is 10 units. Units to report are based on the dose given, not the package.
- Is J1642 a CPT code?
- No. J1642 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.