HCPCS drug code · CMS crosswalk
Azathioprine J-Code / HCPCS Code
In short
Azathioprine is billed under HCPCS J7500 — Azathioprine, oral, 50 mg. One billing unit is 50 mg. CMS's crosswalk lists 7 Azathioprine NDCs under this code.
Reference
- J7500
- Azathioprine, oral, 50 mgBilling unit: 50 mg
- Labelers
- American Health Packaging; Amneal Pharmaceuticals, LLC; Ascend Laboratories, LLC; Bausch Health US, LLC; Glenmark Pharmaceuticals Inc., USA
Medicare Part B payment limit
CMS ASP filePayment limit per unit$0.103
Per50 mg
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
Azathioprine units and claim line
Enter the dose given to get the J7500 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Azathioprine 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 |
|---|---|---|---|---|
| 60219-1076-01 | J7500 | Amneal Pharmaceuticals, LLC | 100 | 100 |
| 67877-0493-01 | J7500 | Ascend Laboratories, LLC | 100 | 100 |
| 67877-0493-05 | J7500 | Ascend Laboratories, LLC | 500 | 500 |
| 68084-0229-01 | J7500 | American Health Packaging | 100 | 100 |
| 68462-0502-01 | J7500 | Glenmark Pharmaceuticals Inc., USA | 100 | 100 |
| 68682-0231-01 | J7500 | Bausch Health US, LLC | 100 | 150 |
| 68682-0241-01 | J7500 | Bausch Health US, LLC | 100 | 200 |
Azathioprine: common questions
- What is the J-code for Azathioprine?
- Azathioprine is billed under HCPCS J7500 — Azathioprine, oral, 50 mg. One billing unit is 50 mg. CMS's crosswalk lists 7 Azathioprine NDCs under this code.
- How many J7500 billing units are in a package of Azathioprine?
- CMS lists 100 to 500 billing units per package, depending on the NDC, where one unit is 50 mg. Units to report are based on the dose given, not the package.
- Is J7500 a CPT code?
- No. J7500 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.