HCPCS drug code · CMS crosswalk
Zemplar J-Code / HCPCS Code
In short
Zemplar is billed under HCPCS J2501 — Injection, paricalcitol, 1 mcg. One billing unit is 1 mcg. CMS's crosswalk lists 3 Zemplar NDCs under this code.
Reference
- J2501
- Injection, paricalcitol, 1 mcgBilling unit: 1 mcg
- Labelers
- AbbVie Inc.
Medicare Part B payment limit
CMS ASP filePayment limit per unit$0.891
Per1 mcg
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
Zemplar units and claim line
Enter the dose given to get the J2501 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Zemplar 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 |
|---|---|---|---|---|
| 00074-1658-01 | J2501 | AbbVie Inc. | 25 × 1 | 125 |
| 00074-1658-05 | J2501 | AbbVie Inc. | 25 × 2 | 250 |
| 00074-4637-01 | J2501 | AbbVie Inc. | 25 × 1 | 50 |
Zemplar: common questions
- What is the J-code for Zemplar?
- Zemplar is billed under HCPCS J2501 — Injection, paricalcitol, 1 mcg. One billing unit is 1 mcg. CMS's crosswalk lists 3 Zemplar NDCs under this code.
- How many J2501 billing units are in a package of Zemplar?
- CMS lists 50 to 250 billing units per package, depending on the NDC, where one unit is 1 mcg. Units to report are based on the dose given, not the package.
- Is J2501 a CPT code?
- No. J2501 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.