HCPCS drug code · CMS crosswalk
Rhophylac J-Code / HCPCS Code
In short
Rhophylac is billed under HCPCS J2791 — Injection, rho(d) immune globulin (human), (rhophylac), intramuscular or intravenous, 100 iu. One billing unit is 100 IU. CMS's crosswalk lists 2 Rhophylac NDCs under this code.
Reference
- J2791
- Injection, rho(d) immune globulin (human), (rhophylac), intramuscular or intravenous, 100 iuBilling unit: 100 IU
- Labelers
- CSL Behring L.L.C.
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
Rhophylac units and claim line
Enter the dose given to get the J2791 units and the NDC line for the CMS-1500 and the 837P.
Enter the units to build the claim line.
Rhophylac 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 |
|---|---|---|---|---|
| 44206-0300-01 | J2791 | CSL Behring L.L.C. | 2 | 15 |
| 44206-0300-10 | J2791 | CSL Behring L.L.C. | 10 × 2 | 150 |
Rhophylac: common questions
- What is the J-code for Rhophylac?
- Rhophylac is billed under HCPCS J2791 — Injection, rho(d) immune globulin (human), (rhophylac), intramuscular or intravenous, 100 iu. One billing unit is 100 IU. CMS's crosswalk lists 2 Rhophylac NDCs under this code.
- How many J2791 billing units are in a package of Rhophylac?
- CMS lists 15 to 150 billing units per package, depending on the NDC, where one unit is 100 IU. Units to report are based on the dose given, not the package.
- Is J2791 a CPT code?
- No. J2791 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.