CPT code 93990: Dialysis access scan, existing access evaluation2026 Medicare rate & RVUs in Elgin, Texas
Elgin, TX spans 2 Medicare payment localities (Rest of State, Austin). Compare 2026 rates and find the locality for your ZIP.
CMS doesn’t publish an office rate for 93990 in Elgin, Texas.
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
On this page 6 sections
Where 93990 pays more and less in Elgin, Texas
Elgin, Texas maps to 2 Medicare payment localities in our Census-to-CMS crosswalk. A city name alone doesn’t confirm an address’s payment area.
| Payment locality | Office | Facility |
|---|---|---|
| Austin, TX | Unavailable | Unavailable |
| Rest of Texas | Unavailable | Unavailable |
How payment areas work in Elgin
City limits and Medicare payment areas are different maps. These are the payment areas that cover the city’s counties; the service ZIP decides which one applies.
- Rest Of State · Bastrop County
- Austin · Travis County
City boundaries: 2026 Census geography · Census source · CMS county-to-locality definitions
How the 93990 rate is calculated
Each of 93990’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.
How the rate is built · 93990
RVUs × geographic indexes × conversion factor
Work0.49
0.49 RVUs× 1.000 GPCI
Practice expense3.73
3.73 RVUs× 1.000 GPCI
Malpractice0.10
0.10 RVUs× 1.000 GPCI
Adjusted RVUs
4.3200
Conversion factor
$33.4009
Medicare rate
$144.29
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for 93990
The CMS indicators that decide how 93990 is paid alongside other services.
CMS payment indicators · 93990
Dialysis access scan, existing access evaluation
| Rule | CMS value | What it means |
|---|---|---|
| Global period | XXX | The global surgery concept doesn’t apply. |
| Multiple procedures | 6 | Diagnostic cardiovascular reduction applies to the technical component. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 0 | Not paid without supporting documentation. |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 1 | Diagnostic test with separate professional (26) and technical (TC) components. |
What modifiers do to the payment
Modifier 26 · payment effect
With and without the modifier
93990 without 26 · national office
$144.29
Dialysis access scan, existing access evaluation
93990-26 · Professional component
$22.38
Pays only the interpretation and report.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.
CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027
Fee sheets · Coming soon
Put 93990 and the rest of your codes on one sheet
Your codes at your locality, with payer contracts beside Medicare.
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