HCPCS drug code · CMS crosswalk
Diltiazem HCl J-Code / HCPCS Code
In short
Diltiazem HCl is billed under HCPCS J1163 — Injection, diltiazem hydrochloride, 0.5 mg. One billing unit is 0.5 mg. CMS's crosswalk lists 18 Diltiazem HCl NDCs under this code.
Reference
- J1163
- Injection, diltiazem hydrochloride, 0.5 mgBilling unit: 0.5 mg
- Labelers
- Athenex Pharmaceutical Division, LLC; Eugia US LLC; HF Acquisition Co. LLC, DBA HealthFirst; Hikma Pharmaceuticals USA Inc.; Pfizer Inc; Sagent Pharmaceuticals
Medicare Part B payment limit
CMS ASP filePayment limit per unit$0.027
Per0.5 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
Diltiazem HCl units and claim line
Enter the dose given to get the J1163 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Diltiazem HCl 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 |
|---|---|---|---|---|
| 00409-4350-03 | J1163 | Pfizer Inc | 10 × 1 | 2000 |
| 00641-6013-10 | J1163 | Hikma Pharmaceuticals USA Inc. | 10 × 5 | 500 |
| 00641-6014-10 | J1163 | Hikma Pharmaceuticals USA Inc. | 10 × 10 | 1000 |
| 00641-6015-10 | J1163 | Hikma Pharmaceuticals USA Inc. | 10 × 25 | 2500 |
| 00641-9217-10 | J1163 | Hikma Pharmaceuticals USA Inc. | 10 × 5 | 500 |
| 00641-9218-10 | J1163 | Hikma Pharmaceuticals USA Inc. | 10 × 10 | 1000 |
| 00641-9219-10 | J1163 | Hikma Pharmaceuticals USA Inc. | 10 × 25 | 2500 |
| 25021-0319-05 | J1163 | Sagent Pharmaceuticals | 10 × 5 | 500 |
| 25021-0319-10 | J1163 | Sagent Pharmaceuticals | 10 × 10 | 1000 |
| 25021-0319-25 | J1163 | Sagent Pharmaceuticals | 10 × 25 | 2500 |
| 51662-1335-01 | J1163 | HF Acquisition Co. LLC, DBA HealthFirst | 5 | 50 |
| 51662-1335-02 | J1163 | HF Acquisition Co. LLC, DBA HealthFirst | 5 | 50 |
| 51662-1457-01 | J1163 | HF Acquisition Co. LLC, DBA HealthFirst | 1 | 200 |
| 51662-1457-03 | J1163 | HF Acquisition Co. LLC, DBA HealthFirst | 10 × 1 | 2000 |
| 55150-0425-10 | J1163 | Eugia US LLC | 10 × 5 | 500 |
| 55150-0426-10 | J1163 | Eugia US LLC | 10 × 10 | 1000 |
| 55150-0427-10 | J1163 | Eugia US LLC | 10 × 25 | 2500 |
| 70860-0301-05 | J1163 | Athenex Pharmaceutical Division, LLC | 10 × 5 | 500 |
Diltiazem HCl: common questions
- What is the J-code for Diltiazem HCl?
- Diltiazem HCl is billed under HCPCS J1163 — Injection, diltiazem hydrochloride, 0.5 mg. One billing unit is 0.5 mg. CMS's crosswalk lists 18 Diltiazem HCl NDCs under this code.
- How many J1163 billing units are in a package of Diltiazem HCl?
- CMS lists 50 to 2,500 billing units per package, depending on the NDC, where one unit is 0.5 mg. Units to report are based on the dose given, not the package.
- Is J1163 a CPT code?
- No. J1163 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.