HCPCS drug code · CMS crosswalk
Immphentiv J-Code / HCPCS Code
In short
Immphentiv is billed under HCPCS J2373 — Injection, phenylephrine hydrochloride (immphentiv), 20 micrograms. One billing unit is 20 mcg. CMS's crosswalk lists 2 Immphentiv NDCs under this code.
Reference
- J2373
- Injection, phenylephrine hydrochloride (immphentiv), 20 microgramsBilling unit: 20 mcg
- Labelers
- Hikma Pharmaceuticals USA 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
Immphentiv units and claim line
Enter the dose given to get the J2373 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Immphentiv 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 |
|---|---|---|---|---|
| 00641-6245-10 | J2373 | Hikma Pharmaceuticals USA Inc. | 10 × 5 | 250 |
| 00641-6246-10 | J2373 | Hikma Pharmaceuticals USA Inc. | 10 × 10 | 500 |
Immphentiv: common questions
- What is the J-code for Immphentiv?
- Immphentiv is billed under HCPCS J2373 — Injection, phenylephrine hydrochloride (immphentiv), 20 micrograms. One billing unit is 20 mcg. CMS's crosswalk lists 2 Immphentiv NDCs under this code.
- How many J2373 billing units are in a package of Immphentiv?
- CMS lists 250 to 500 billing units per package, depending on the NDC, where one unit is 20 mcg. Units to report are based on the dose given, not the package.
- Is J2373 a CPT code?
- No. J2373 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.