HCPCS drug code · CMS crosswalk
Erythromycin Lactobionate J-Code / HCPCS Code
In short
Erythromycin Lactobionate is billed under HCPCS J1364 — Injection, erythromycin lactobionate, per 500 mg. One billing unit is 500 mg. CMS's crosswalk lists 3 Erythromycin Lactobionate NDCs under this code.
Reference
- J1364
- Injection, erythromycin lactobionate, per 500 mgBilling unit: 500 mg
- Labelers
- Nexus Pharmaceuticals, LLC; Pfizer 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
Erythromycin Lactobionate units and claim line
Enter the dose given to get the J1364 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Erythromycin Lactobionate 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 |
|---|---|---|---|---|
| 00409-6476-44 | J1364 | Pfizer Inc | 10 × 1 | 10 |
| 00409-6482-01 | J1364 | Pfizer Inc | 10 × 10 | 10 |
| 14789-0116-05 | J1364 | Nexus Pharmaceuticals, LLC | 5 × 1 | 5 |
Erythromycin Lactobionate: common questions
- What is the J-code for Erythromycin Lactobionate?
- Erythromycin Lactobionate is billed under HCPCS J1364 — Injection, erythromycin lactobionate, per 500 mg. One billing unit is 500 mg. CMS's crosswalk lists 3 Erythromycin Lactobionate NDCs under this code.
- How many J1364 billing units are in a package of Erythromycin Lactobionate?
- CMS lists 5 to 10 billing units per package, depending on the NDC, where one unit is 500 mg. Units to report are based on the dose given, not the package.
- Is J1364 a CPT code?
- No. J1364 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.