$338.75
91125 describes a broader anorectal manometry service that includes rectal sensation and balloon expulsion testing; 91124 is for the rectal sensation, tone, and compliance study.
On this page
CMS RVU26D · Effective 2026-10-01
91124 Rectal physiology Medicare reimbursement rates in Arizona
A rectal physiology study assesses sensation, tone, and compliance, typically when evaluating altered rectal function such as constipation or fecal incontinence. Compare 91124 office and facility rates across CMS payment localities in Arizona.
Amounts below use the non-QP conversion factor for participating physicians. These are base physician payments before claim-level adjustments, not patient costs or total hospital charges.
What does Medicare pay for 91124 in Arizona?
Arizona has 1 payment locality in this comparison. Use the service location to choose the applicable amount. These are the supported base rates for the payment area shown below, using the same CMS release.
Office / nonfacility
$747.06
1 of 1 localities have a supported rate.
Payment area: Arizona
One mapped payment locality.
Facility setting
No supported rate
These are locality ranges, not averages or address-specific quotes. A facility-setting amount covers the physician service; it does not include a hospital’s separate bill. Choose a locality below to inspect its calculation, compare other payment areas, or price a percentage of Medicare.
Gastrointestinal testing
About 91124: Rectal sensation and compliance study
A rectal physiology study assesses sensation, tone, and compliance, typically when evaluating altered rectal function such as constipation or fecal incontinence.
This study evaluates how the rectum senses distention and responds to it, including rectal tone and compliance. Testing commonly uses controlled balloon distention to assess sensory responses and pressure changes. Gastroenterologists, colorectal specialists, or clinicians in a gastrointestinal motility service may perform it in an outpatient testing setting for patients with symptoms such as impaired evacuation or fecal incontinence.
Select 91124 when the documented service is the rectal sensation, tone, and compliance study, rather than a more comprehensive anorectal manometry service. The report should identify the testing performed and include the physiologic findings and interpretation. CMS recognizes separate professional and technical components: modifier 26 identifies the interpretation, modifier TC identifies the equipment and staff portion, and reporting without either modifier represents the global service.
CMS billing rules for 91124
- Professional and technical components
- Diagnostic test with a professional component (modifier 26, interpretation) and a technical component (modifier TC, equipment and staff); billing without a modifier is the global service.
Where the value comes from
- Work RVU3.05 · 13%
- Practice expense (office) RVU19.74 · 86%
- Malpractice RVU0.22 · 1%
This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.
91124 compared with similar codes
Office rates for Arizona, from the same CMS release.
Compare 91124 by payment locality
Find the payment area for your service address, then open its rate page for calculation inputs, release history and the percentage-of-Medicare tool. A city may cross payment-area boundaries; the ZIP lookup above helps resolve the location.
1 of 1 payment localities
Arizona →
Office / nonfacility
$747.06
Facility
Unavailable
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How this local rate is calculated
Each RVU component is multiplied by its own geographic practice cost index (GPCI). The three adjusted components are added, then multiplied by the conversion factor. These are the inputs used for 91124 in Arizona.
PPRRVU2026_Oct_nonQPP.csv
11,634
- Code
- 91124
- Physician work
- 3.05
- Practice expense
- 19.74
- Malpractice
- 0.22
GPCI2026.csv
6
- Locality
- Arizona
- Physician work
- 1.000
- Practice expense
- 0.969
- Malpractice
- 0.856
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 3.05 | × 1.000 | 3.0500 |
| Practice expense | 19.74 | × 0.969 | 19.1281 |
| Malpractice | 0.22 | × 0.856 | 0.1883 |
| Total RVUs | 22.3664 | ||
| Conversion factor | × 33.4009 | ||
Office / nonfacility rate, Arizona$747.06
Explore RVUs, geographic factors and the full formula
Office / nonfacility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 3.05 | 1 |
| Practice expense | 19.74 | 0.969 |
| Malpractice | 0.22 | 0.856 |
(3.05 × 1 + 19.74 × 0.969 + 0.22 × 0.856) × $33.4009 = $747.06
The office and facility calculations use their respective practice-expense RVUs. The facility amount here is the physician fee, not a separate hospital or facility bill.
91124 billing questions
How is 91124 distinguished from 91125?
91124 represents the rectal sensation, tone, and compliance study. Choose 91125 when the documented service is the broader anorectal manometry service that includes rectal sensation and balloon expulsion testing.
Can the professional and technical portions be billed separately?
Yes. Use modifier 26 for the professional interpretation or modifier TC for the technical equipment and staff portion. Without either modifier, the claim represents the global service.
What documentation supports reporting 91124?
Document the rectal physiologic testing performed, the recorded sensory or pressure findings, and the interpretation. The record should support that the service was a rectal sensation, tone, and compliance study.
Is this the same as anorectal manometry?
The services are related but not interchangeable by name alone. Select the code that matches the actual testing performed and documented, particularly whether the service includes the broader manometry and balloon expulsion assessment.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense, and malpractice RVUs, adjusted by each locality’s geographic indices and the applicable conversion factor. Unavailable or separately priced services are labeled rather than assigned a made-up amount.
Source: RVU26D. Effective 2026-10-01 through the day before 2027-01-01.
11,63191113,26,Gi trc img intral colon i&r,A,,2.35,1.38,,1.38,,0.08,3.81,3.81,1,XXX,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
11,63291113,TC,Gi trc img intral colon i&r,A,,0.00,25.67,,25.67,NA,0.02,25.69,25.69,1,XXX,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,28.42,28.42,0.02
11,63391117,,Colon motility 6 hr study,A,,2.39,1.08,NA,1.08,,0.18,3.65,3.65,0,000,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
11,63491124,,Rct snsatn tone&cmplianc std,A,,3.05,19.74,,19.74,NA,0.22,23.01,23.01,1,XXX,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
11,63591124,26,Rct snsatn tone&cmplianc std,A,,3.05,1.67,,1.67,,0.18,4.90,4.90,1,XXX,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
11,63691124,TC,Rct snsatn tone&cmplianc std,A,,0.00,18.07,,18.07,NA,0.04,18.11,18.11,1,XXX,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,02,0,99,0.00,0.00,0.00
11,63791125,,Anrct mano rct snsatn&balo,A,,2.70,7.53,,7.53,NA,0.17,10.40,10.40,1,XXX,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
3Medicare Administrative Contractor (MAC),State,Locality Number,Locality Name,2026 PW GPCI (with 1.0 Floor)***,2026 PE GPCI,2026 MP GPCI
410112,AL,00,ALABAMA,1.000,0.875,0.566
502102,AK,01,ALASKA*,1.500,1.065,0.551
603102,AZ,00,ARIZONA,1.000,0.969,0.856
707102,AR,13,ARKANSAS,1.000,0.859,0.515
801112,CA,54,BAKERSFIELD,1.019,1.096,0.609
901112,CA,55,CHICO,1.017,1.096,0.536