HCPCS drug code · CMS crosswalk
Metronidazole J-Code / HCPCS Code
In short
Metronidazole is billed under HCPCS J1836 — Injection, metronidazole, 10 mg. One billing unit is 10 mg. CMS's crosswalk lists 8 Metronidazole NDCs under this code.
Reference
- J1836
- Injection, metronidazole, 10 mgBilling unit: 10 mg
- Labelers
- Amneal Pharmaceuticals, LLC; B. Braun Medical Inc.; Baxter Healthcare Corporation; Civica, Inc.; Henry Schein Inc.; Pfizer Inc; Sagent Pharmaceuticals
Medicare Part B payment limit
CMS ASP filePayment limit per unit$0.034
Per10 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
Metronidazole units and claim line
Enter the dose given to get the J1836 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Metronidazole 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 |
|---|---|---|---|---|
| 00264-5535-32 | J1836 | B. Braun Medical Inc. | 24 × 100 | 1200 |
| 00338-1055-48 | J1836 | Baxter Healthcare Corporation | 24 × 100 | 1200 |
| 00338-9541-24 | J1836 | Baxter Healthcare Corporation | 24 × 100 | 1200 |
| 00404-9991-00 | J1836 | Henry Schein Inc. | 100 | 50 |
| 00409-0152-24 | J1836 | Pfizer Inc | 24 × 100 | 1200 |
| 25021-0131-82 | J1836 | Sagent Pharmaceuticals | 24 × 100 | 1200 |
| 72572-0540-24 | J1836 | Civica, Inc. | 24 × 100 | 1200 |
| 80830-2465-09 | J1836 | Amneal Pharmaceuticals, LLC | 24 × 100 | 1200 |
Metronidazole: common questions
- What is the J-code for Metronidazole?
- Metronidazole is billed under HCPCS J1836 — Injection, metronidazole, 10 mg. One billing unit is 10 mg. CMS's crosswalk lists 8 Metronidazole NDCs under this code.
- How many J1836 billing units are in a package of Metronidazole?
- CMS lists 50 to 1,200 billing units per package, depending on the NDC, where one unit is 10 mg. Units to report are based on the dose given, not the package.
- Is J1836 a CPT code?
- No. J1836 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.