HCPCS drug code · CMS crosswalk
Penicillin G Potassium J-Code / HCPCS Code
In short
Penicillin G Potassium is billed under HCPCS J2540 — Injection, penicillin g potassium, up to 600,000 units. One billing unit is 600000 units. CMS's crosswalk lists 12 Penicillin G Potassium NDCs under this code.
Reference
- J2540
- Injection, penicillin g potassium, up to 600,000 unitsBilling unit: 600000 units
- Labelers
- Athenex Pharmaceutical Division, LLC; Avenacy Inc.; HF Acquisition Co. LLC, DBA HealthFirst; Northstar RxLLC; Sagent Pharmaceuticals; Sandoz Inc.; WG Critical Care, LLC
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
Penicillin G Potassium units and claim line
Enter the dose given to get the J2540 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Penicillin G Potassium 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 |
|---|---|---|---|---|
| 00781-6135-95 | J2540 | Sandoz Inc. | 10 × 1 | 84 |
| 00781-6136-94 | J2540 | Sandoz Inc. | 1 | 34 |
| 25021-0153-20 | J2540 | Sagent Pharmaceuticals | 10 × 1 | 84 |
| 25021-0154-51 | J2540 | Sagent Pharmaceuticals | 1 | 34 |
| 44567-0311-10 | J2540 | WG Critical Care, LLC | 10 × 1 | 84 |
| 44567-0312-01 | J2540 | WG Critical Care, LLC | 1 | 34 |
| 51662-1436-01 | J2540 | HF Acquisition Co. LLC, DBA HealthFirst | 1 | 9 |
| 70860-0126-20 | J2540 | Athenex Pharmaceutical Division, LLC | 10 × 1 | 84 |
| 72603-0210-10 | J2540 | Northstar RxLLC | 10 × 1 | 84 |
| 72603-0345-01 | J2540 | Northstar RxLLC | 1 | 34 |
| 83634-0102-20 | J2540 | Avenacy Inc. | 10 × 1 | 84 |
| 83634-0103-51 | J2540 | Avenacy Inc. | 1 | 34 |
Penicillin G Potassium: common questions
- What is the J-code for Penicillin G Potassium?
- Penicillin G Potassium is billed under HCPCS J2540 — Injection, penicillin g potassium, up to 600,000 units. One billing unit is 600000 units. CMS's crosswalk lists 12 Penicillin G Potassium NDCs under this code.
- How many J2540 billing units are in a package of Penicillin G Potassium?
- CMS lists 9 to 84 billing units per package, depending on the NDC, where one unit is 600000 units. Units to report are based on the dose given, not the package.
- Is J2540 a CPT code?
- No. J2540 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.