HCPCS drug code · CMS crosswalk
Avsola HCPCS Code
In short
Avsola is billed under HCPCS Q5121 — Injection, infliximab-axxq, biosimilar, (avsola), 10 mg. One billing unit is 10 mg. CMS's crosswalk lists 2 Avsola NDCs under this code.
Reference
- Q5121
- Injection, infliximab-axxq, biosimilar, (avsola), 10 mgBilling unit: 10 mg
- Labelers
- Amgen Inc
Medicare Part B payment limit
CMS ASP filePayment limit per unit$34.686
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
Avsola units and claim line
Enter the dose given to get the Q5121 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Avsola 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 |
|---|---|---|---|---|
| 55513-0670-01 | Q5121 | Amgen Inc | 1 | 10 |
| 55513-0670-21 | Q5121 | Amgen Inc | 1 | 10 |
Avsola: common questions
- What is the HCPCS code for Avsola?
- Avsola is billed under HCPCS Q5121 — Injection, infliximab-axxq, biosimilar, (avsola), 10 mg. One billing unit is 10 mg. CMS's crosswalk lists 2 Avsola NDCs under this code.
- How many Q5121 billing units are in a package of Avsola?
- CMS lists 10 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 Q5121 a CPT code?
- No. Q5121 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.