A9585 is the HCPCS code for: Injection, gadobutrol, 0.1 ml. In 2024, 3,135 providers billed A9585 20,730,418 times, with an estimated $5.1M paid by Medicare.
A9585 is a Part B drug code: Medicare pays an ASP-based rate of $0.26 per 0.1 ml (2026 Q3 ASP drug pricing file). Total payment per patient depends on the dose billed.
A billed "service" on this code is one 0.1 ml unit, not one patient visit — that's why the service counts below run high.
What Medicare actually paid per service in 2024, on average: $0.24 (observed payment across all settings and modifiers — not a fee-schedule rate).
The top 5 billers nationally, ranked by 2024 Medicare service volume.
| # | Provider | Specialty | Location | Services | Est. Medicare paid |
|---|---|---|---|---|---|
| 1 | Inova Health Care Services | Independent Diagnostic Testing Facility (IDTF) | Falls Church, VA | 395,718 | $89K |
| 2 | Carolinas Imaging Services LLC | Independent Diagnostic Testing Facility (IDTF) | Denver, NC | 139,949 | $35K |
| 3 | Ara/St. David'S Imaging, Lp | Independent Diagnostic Testing Facility (IDTF) | Austin, TX | 109,711 | $24K |
| 4 | Asheville Open Mri LLC | Independent Diagnostic Testing Facility (IDTF) | Asheville, NC | 97,767 | $24K |
| 5 | Ara/St. David'S Imaging, Lp | Independent Diagnostic Testing Facility (IDTF) | Georgetown, TX | 75,537 | $17K |
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