CPT code 91030: Acid challenge, provocative esophageal acid test2026 Medicare rate & RVUs in Elgin, Texas
CPT 91030: $155.81–$170.14 office across 2 localities in Elgin, TX in 2026 Medicare. Compare each area.
Medicare pays $155.81–$170.14 for 91030 in the office in Elgin, Texas, from Rest of Texas to Austin, TX. Which amount applies depends on the service address.
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 91030 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 | $170.14 | Unavailable |
| Rest of Texas | $155.81 | 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 91030 rate is calculated
Each of 91030’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 · 91030
RVUs × geographic indexes × conversion factor
Work0.89
0.89 RVUs× 1.000 GPCI
Practice expense3.93
3.93 RVUs× 1.000 GPCI
Malpractice0.05
0.05 RVUs× 1.000 GPCI
Adjusted RVUs
4.8700
Conversion factor
$33.4009
Medicare rate
$162.66
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for 91030
The CMS indicators that decide how 91030 is paid alongside other services.
CMS payment indicators · 91030
Acid challenge, provocative esophageal acid test
| Rule | CMS value | What it means |
|---|---|---|
| Global period | 000 | Same-day global: pre- and post-op care on the day of the procedure is included. |
| Multiple procedures | 0 | No multiple-procedure reduction. |
| 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
91030 without 26 · national office
$162.66
Acid challenge, provocative esophageal acid test
91030-26 · Professional component
$48.10
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
Show the CMS file lines behind this rate
Fee sheets · Coming soon
Put 91030 and the rest of your codes on one sheet
Your codes at your locality, with payer contracts beside Medicare.
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