HCPCS drug code · CMS crosswalk
Duopa J-Code / HCPCS Code
In short
Duopa is billed under HCPCS J7340 — Carbidopa 5 mg/levodopa 20 mg enteral suspension, 100 ml. One billing unit is 5 mg/20 mg 100 ml. CMS's crosswalk lists 1 Duopa NDC under this code.
Reference
- J7340
- Carbidopa 5 mg/levodopa 20 mg enteral suspension, 100 mlBilling unit: 5 mg/20 mg 100 ml
- Labelers
- AbbVie 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
Duopa units and claim line
Enter the dose given to get the J7340 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Duopa 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 |
|---|---|---|---|---|
| 00074-3012-07 | J7340 | AbbVie Inc. | 7 × 100 | 7 |
Duopa: common questions
- What is the J-code for Duopa?
- Duopa is billed under HCPCS J7340 — Carbidopa 5 mg/levodopa 20 mg enteral suspension, 100 ml. One billing unit is 5 mg/20 mg 100 ml. CMS's crosswalk lists 1 Duopa NDC under this code.
- How many J7340 billing units are in a package of Duopa?
- CMS lists 7 billing units per package, depending on the NDC, where one unit is 5 mg/20 mg 100 ml. Units to report are based on the dose given, not the package.
- Is J7340 a CPT code?
- No. J7340 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.