HCPCS drug code · CMS crosswalk
Amphadase J-Code / HCPCS Code
In short
Amphadase is billed under HCPCS J3470 — Injection, hyaluronidase, up to 150 units. One billing unit is 150 units. CMS's crosswalk lists 1 Amphadase NDC under this code.
Reference
- J3470
- Injection, hyaluronidase, up to 150 unitsBilling unit: 150 units
- Labelers
- Amphastar Pharmaceuticals, Inc.
Medicare Part B payment limit
CMS ASP filePayment limit per unit$31.802
Per150 units
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
Amphadase units and claim line
Enter the dose given to get the J3470 units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Amphadase 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 |
|---|---|---|---|---|
| 00548-9090-10 | J3470 | Amphastar Pharmaceuticals, Inc. | 10 × 1 | 10 |
Amphadase: common questions
- What is the J-code for Amphadase?
- Amphadase is billed under HCPCS J3470 — Injection, hyaluronidase, up to 150 units. One billing unit is 150 units. CMS's crosswalk lists 1 Amphadase NDC under this code.
- How many J3470 billing units are in a package of Amphadase?
- CMS lists 10 billing units per package, depending on the NDC, where one unit is 150 units. Units to report are based on the dose given, not the package.
- Is J3470 a CPT code?
- No. J3470 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.