CPT code 92537: Caloric test, with eye-movement recording2026 Medicare rate & RVUs in Idaho
Reports bilateral caloric vestibular testing with recorded eye movements to assess vestibular function, commonly during evaluation of dizziness or imbalance.
In Idaho, Medicare pays $37.54 for 92537 in the office.
Check a contract rate as a % of Medicare · 92537 nationwide
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 11 sections
What 92537 covers
This test stimulates the vestibular system by irrigating the ears with warm and cool water or air, then recording the resulting eye movements, including nystagmus. Audiologists and otolaryngology or neurotology clinicians commonly perform it in an audiology or vestibular testing laboratory when evaluating dizziness, vertigo, or imbalance. The recorded responses help assess vestibular function and compare responses to the different stimuli.
Choose this code when the caloric test is performed with recording; 92538 is the counterpart for testing without recording. Documentation should identify the test performed and support that eye movements were recorded, with findings and interpretation in the record. The code is priced as bilateral, so modifier 50 does not increase payment. Report modifier 26 for the professional interpretation or TC for the technical service; without either modifier, the claim represents the global service.
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.
How Idaho compares for 92537
Across 109 of 109 payment localities, the office rate for 92537 runs from $36.40 in Arkansas to $50.20 in Alaska. Idaho pays $37.54. The RVUs are the same everywhere; the geographic indexes change the dollars.
- Idaho · this page$37.54
- Los Angeles, CA · California$43.48+$5.94
- Washington, DC area · District of Columbia$43.94+$6.40
- Miami, FL · Florida$41.22+$3.68
- Chicago, IL · Illinois$40.51+$2.97
- Manhattan, NY · New York$44.15+$6.61
- Alaska · Alaska$50.20+$12.66
Other areas in Idaho first, then benchmark localities. Bars start at $0.
Every other payment area
| Payment locality | Office | Facility |
|---|---|---|
| AlabamaAlabama | $36.74 | — |
| ArkansasArkansas | $36.40 | — |
| ArizonaArizona | $38.73 | — |
| Bakersfield, CACalifornia | $41.35 | — |
| Chico, CACalifornia | $41.27 | — |
| El Centro, CACalifornia | $41.27 | — |
| Fresno, CACalifornia | $41.27 | — |
| Hanford, CACalifornia | $41.27 | — |
| Madera, CACalifornia | $41.27 | — |
| Merced, CACalifornia | $41.27 | — |
| Modesto, CACalifornia | $41.27 | — |
| Napa, CACalifornia | $46.38 | — |
| Oxnard, CACalifornia | $43.18 | — |
| Redding, CACalifornia | $41.27 | — |
| Rest of CaliforniaCalifornia | $41.27 | — |
| Riverside, CACalifornia | $41.50 | — |
| Sacramento, CACalifornia | $42.92 | — |
| Salinas, CACalifornia | $42.74 | — |
| San Diego, CACalifornia | $43.43 | — |
| Marin County, CACalifornia | $48.73 | — |
| San Francisco, CACalifornia | $48.71 | — |
| San Benito County, CACalifornia | $49.69 | — |
| Santa Clara County, CACalifornia | $49.59 | — |
| San Luis Obispo, CACalifornia | $42.08 | — |
| Santa Cruz, CACalifornia | $43.61 | — |
| Santa Maria, CACalifornia | $42.82 | — |
| Santa Rosa, CACalifornia | $44.04 | — |
| Stockton, CACalifornia | $41.27 | — |
| Vallejo, CACalifornia | $46.35 | — |
| Visalia, CACalifornia | $41.27 | — |
| Yuba City, CACalifornia | $41.27 | — |
| ColoradoColorado | $40.72 | — |
| ConnecticutConnecticut | $41.41 | — |
| DelawareDelaware | $39.22 | — |
| Fort Lauderdale, FLFlorida | $40.20 | — |
| Rest of FloridaFlorida | $38.91 | — |
| Atlanta, GAGeorgia | $39.91 | — |
| Rest of GeorgiaGeorgia | $37.49 | — |
| Hawaii, Guam, HIHawaii | $41.74 | — |
| IowaIowa | $37.39 | — |
| East St. Louis, ILIllinois | $38.57 | — |
| Rest of IllinoisIllinois | $38.13 | — |
| Suburban Chicago, ILIllinois | $40.58 | — |
| IndianaIndiana | $37.68 | — |
| KansasKansas | $37.25 | — |
| KentuckyKentucky | $37.24 | — |
| New Orleans, LALouisiana | $38.38 | — |
| Rest of LouisianaLouisiana | $37.20 | — |
| Metropolitan Boston, MAMassachusetts | $43.84 | — |
| Rest of MassachusettsMassachusetts | $40.60 | — |
| Baltimore area, MDMaryland | $41.28 | — |
| Rest of MarylandMaryland | $39.78 | — |
| Rest of MaineMaine | $37.64 | — |
| Southern Maine, MEMaine | $39.00 | — |
| Detroit, MIMichigan | $39.20 | — |
| Rest of MichiganMichigan | $37.84 | — |
| MinnesotaMinnesota | $39.49 | — |
| Metropolitan Kansas City, MOMissouri | $38.24 | — |
| Metropolitan St. Louis, MOMissouri | $38.50 | — |
| Rest of MissouriMissouri | $36.77 | — |
| MississippiMississippi | $36.59 | — |
| MontanaMontana | $39.41 | — |
| North CarolinaNorth Carolina | $37.90 | — |
| North DakotaNorth Dakota | $39.02 | — |
| NebraskaNebraska | $37.53 | — |
| New HampshireNew Hampshire | $40.11 | — |
| Northern New JerseyNew Jersey | $43.75 | — |
| Rest of New JerseyNew Jersey | $42.02 | — |
| New MexicoNew Mexico | $37.97 | — |
| NevadaNevada | $39.32 | — |
| NYC suburbs and Long Island, NYNew York | $44.85 | — |
| Poughkeepsie and northern NYC suburbs, NYNew York | $42.25 | — |
| Queens, NYNew York | $44.43 | — |
| Rest of New YorkNew York | $38.26 | — |
| OhioOhio | $37.76 | — |
| OklahomaOklahoma | $37.23 | — |
| Portland, OROregon | $41.67 | — |
| Rest of OregonOregon | $39.14 | — |
| Metropolitan Philadelphia, PAPennsylvania | $40.68 | — |
| Rest of PennsylvaniaPennsylvania | $37.82 | — |
| Puerto RicoPuerto Rico | $39.61 | — |
| Rhode IslandRhode Island | $40.34 | — |
| South CarolinaSouth Carolina | $37.87 | — |
| South DakotaSouth Dakota | $38.97 | — |
| TennesseeTennessee | $37.37 | — |
| Austin, TXTexas | $40.48 | — |
| Beaumont, TXTexas | $37.65 | — |
| Brazoria, TXTexas | $39.25 | — |
| Dallas, TXTexas | $39.42 | — |
| Fort Worth, TXTexas | $39.24 | — |
| Galveston, TXTexas | $39.32 | — |
| Houston, TXTexas | $39.69 | — |
| Rest of TexasTexas | $38.38 | — |
| UtahUtah | $38.20 | — |
| VirginiaVirginia | $38.89 | — |
| Virgin Islands, VIUnited States Virgin Islands | $39.61 | — |
| VermontVermont | $38.89 | — |
| Rest of WashingtonWashington | $40.52 | — |
| King County, WAWashington | $44.60 | — |
| WisconsinWisconsin | $38.15 | — |
| West VirginiaWest Virginia | $37.21 | — |
| WyomingWyoming | $39.24 | — |
92537 rates by state
Office rate range in each state. Select a state to see its payment localities.
Explore a state
Local rates. Clear comparisons.
Hover or focus a tile to see its rate range. Select it to open the state’s fee schedule.
$36.40
$50.20
Color shows the midpoint of each state’s locality range.
View every state and territory as a table
| State / territory | Office rate range | Localities |
|---|---|---|
| AK | $50.20 | 1 |
| AL | $36.74 | 1 |
| AR | $36.40 | 1 |
| AZ | $38.73 | 1 |
| CA | $41.27–$49.69 | 29 |
| CO | $40.72 | 1 |
| CT | $41.41 | 1 |
| DC | $43.94 | 1 |
| DE | $39.22 | 1 |
| FL | $38.91–$41.22 | 3 |
| GA | $37.49–$39.91 | 2 |
| GU | $41.74 | 1 |
| HI | $41.74 | 1 |
| IA | $37.39 | 1 |
| ID | $37.54 | 1 |
| IL | $38.13–$40.58 | 4 |
| IN | $37.68 | 1 |
| KS | $37.25 | 1 |
| KY | $37.24 | 1 |
| LA | $37.20–$38.38 | 2 |
| MA | $40.60–$43.84 | 2 |
| MD | $39.78–$43.94 | 3 |
| ME | $37.64–$39.00 | 2 |
| MI | $37.84–$39.20 | 2 |
| MN | $39.49 | 1 |
| MO | $36.77–$38.50 | 3 |
| MS | $36.59 | 1 |
| MT | $39.41 | 1 |
| NC | $37.90 | 1 |
| ND | $39.02 | 1 |
| NE | $37.53 | 1 |
| NH | $40.11 | 1 |
| NJ | $42.02–$43.75 | 2 |
| NM | $37.97 | 1 |
| NV | $39.32 | 1 |
| NY | $38.26–$44.85 | 5 |
| OH | $37.76 | 1 |
| OK | $37.23 | 1 |
| OR | $39.14–$41.67 | 2 |
| PA | $37.82–$40.68 | 2 |
| PR | $39.61 | 1 |
| RI | $40.34 | 1 |
| SC | $37.87 | 1 |
| SD | $38.97 | 1 |
| TN | $37.37 | 1 |
| TX | $37.65–$40.48 | 8 |
| UT | $38.20 | 1 |
| VA | $38.89–$43.94 | 2 |
| VI | $39.61 | 1 |
| VT | $38.89 | 1 |
| WA | $40.52–$44.60 | 2 |
| WI | $38.15 | 1 |
| WV | $37.21 | 1 |
| WY | $39.24 | 1 |
How the 92537 rate is calculated
Each of 92537’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 · 92537
RVUs × geographic indexes × conversion factor
Work0.59
0.59 RVUs× 1.000 GPCI
Practice expense0.57
0.57 RVUs× 1.000 GPCI
Malpractice0.02
0.02 RVUs× 1.000 GPCI
Adjusted RVUs
1.1800
Conversion factor
$33.4009
Medicare rate
$39.41
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
The exact Idaho inputs and CMS source lines
PPRRVU2026_Oct_nonQPP.csv
11,797
- Code
- 92537
- Physician work
- 0.59
- Practice expense
- 0.57
- Malpractice
- 0.02
GPCI2026.csv
47
- Locality
- Idaho
- Physician work
- 1.000
- Practice expense
- 0.920
- Malpractice
- 0.473
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 0.59 | × 1.000 | 0.5900 |
| Practice expense | 0.57 | × 0.920 | 0.5244 |
| Malpractice | 0.02 | × 0.473 | 0.0095 |
| Total RVUs | 1.1239 | ||
| Conversion factor | × 33.4009 | ||
Office rate, Idaho$37.54
Office: (0.59 × 1 + 0.57 × 0.92 + 0.02 × 0.473) × $33.4009 = $37.54
Payment rules and modifiers for 92537
The CMS indicators that decide how 92537 is paid alongside other services.
CMS payment indicators · 92537
Caloric test, with eye-movement recording
| Rule | CMS value | What it means |
|---|---|---|
| Global period | XXX | The global surgery concept doesn’t apply. |
| Multiple procedures | 0 | No multiple-procedure reduction. |
| Bilateral (modifier 50) | 2 | Already bilateral by definition: paid once at 100%. |
| 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
92537 without 26 · national office
$39.41
Caloric test, with eye-movement recording
92537-26 · Professional component
$30.39
Pays only the interpretation and report.
How 92537 has changed in Idaho
92537 · Office / nonfacility
$37.54
Effective 2026-10-01
The base rate is $1.68 higher than on 2025-10-01, moving from $35.86 to $37.54 (4.7%).
It is unchanged from the immediately preceding available release, effective 2026-07-01.
One bar per available release, ordered by effective date. Missing rates remain gaps. These comparisons hold the code, setting and locality identifiers constant; they do not isolate which policy or input caused a change.
What changed, release by release
January 1, 2026
RVU26A
$35.86changed to$37.54
- Conversion factor 32.3465 changed to 33.4009
- Work RVU 0.60 changed to 0.59
- Practice expense RVU 0.55 changed to 0.57
- Practice expense GPCI 0.908 changed to 0.920
- Malpractice GPCI 0.461 changed to 0.473
Held through RVU26B, RVU26C, RVU26D.
January 1, 2025
RVU25A
$37.51changed to$35.86
- Conversion factor 33.2875 changed to 32.3465
- Practice expense RVU 0.57 changed to 0.55
Held through RVU25B, RVU25C, RVU25D.
March 9, 2024
RVU24AR
$36.90changed to$37.51
- Conversion factor 32.7442 changed to 33.2875
Held through RVU24B, RVU24C, RVU24D.
January 1, 2024
RVU24A
$38.18changed to$36.90
- Conversion factor 33.8872 changed to 32.7442
- Practice expense RVU 0.58 changed to 0.57
- Practice expense GPCI 0.893 changed to 0.908
- Malpractice GPCI 0.439 changed to 0.461
January 1, 2023
RVU23A
$38.96changed to$38.18
- Conversion factor 34.6062 changed to 33.8872
- Practice expense RVU 0.59 changed to 0.58
- Practice expense GPCI 0.877 changed to 0.893
- Malpractice GPCI 0.416 changed to 0.439
Held through RVU23B, RVU23C, RVU23D.
January 1, 2022
RVU22A
$39.59changed to$38.96
- Conversion factor 34.8931 changed to 34.6062
- Practice expense RVU 0.60 changed to 0.59
Held through RVU22B, RVU22C, RVU22D.
January 1, 2021
RVU21A
$39.98changed to$39.59
- Conversion factor 36.0896 changed to 34.8931
- Practice expense RVU 0.56 changed to 0.60
- Practice expense GPCI 0.890 changed to 0.877
- Malpractice GPCI 0.464 changed to 0.416
Held through RVU21B, RVU21C, RVU21D.
January 1, 2020
RVU20A
$39.41changed to$39.98
- Conversion factor 36.0391 changed to 36.0896
- Practice expense RVU 0.53 changed to 0.56
- Malpractice RVU 0.03 changed to 0.02
- Practice expense GPCI 0.902 changed to 0.890
- Malpractice GPCI 0.512 changed to 0.464
Held through RVU20B, RVU20C, RVU20D.
January 1, 2019
RVU19A
$39.04changed to$39.41
- Conversion factor 35.9996 changed to 36.0391
- Practice expense RVU 0.52 changed to 0.53
Held through RVU19B, RVU19C, RVU19D.
January 1, 2018
RVU18AR1
$38.56changed to$39.04
- Conversion factor 35.8887 changed to 35.9996
- Practice expense RVU 0.51 changed to 0.52
- Practice expense GPCI 0.900 changed to 0.902
- Malpractice GPCI 0.510 changed to 0.512
Held through RVU18B, RVU18C, RVU18D.
January 1, 2017
RVU17A
$38.43changed to$38.56
- Conversion factor 35.8043 changed to 35.8887
- Practice expense GPCI 0.898 changed to 0.900
- Malpractice GPCI 0.508 changed to 0.510
Held through RVU17B, RVU17C, RVU17D.
January 1, 2016
RVU16A
No ratechanged to$38.43
Held through RVU16B, RVU16C, RVU16D.
January 1, 2013
RVU13AR
Earliest loaded release: No rate
Held through RVU13B, RVU13C, RVU13D, RVU14A, RVU14B, RVU14C, RVU14D, RVU15A, RVU15B, RVU15C, RVU15D.
| Effective from | Office | Facility | CMS release |
|---|---|---|---|
| 2026-10-01 | $37.54 | Not available in this setting | RVU26D |
| 2026-07-01 | $37.54 | Not available in this setting | RVU26C |
| 2026-04-01 | $37.54 | Not available in this setting | RVU26B |
| 2026-01-01 | $37.54 | Not available in this setting | RVU26A |
| 2025-10-01 | $35.86 | Not available in this setting | RVU25D |
| 2025-07-01 | $35.86 | Not available in this setting | RVU25C |
| 2025-04-01 | $35.86 | Not available in this setting | RVU25B |
| 2025-01-01 | $35.86 | Not available in this setting | RVU25A |
| 2024-10-01 | $37.51 | Not available in this setting | RVU24D |
| 2024-07-01 | $37.51 | Not available in this setting | RVU24C |
| 2024-04-01 | $37.51 | Not available in this setting | RVU24B |
| 2024-03-09 | $37.51 | Not available in this setting | RVU24AR |
| 2024-01-01 | $36.90 | Not available in this setting | RVU24A |
| 2023-10-01 | $38.18 | Not available in this setting | RVU23D |
| 2023-07-01 | $38.18 | Not available in this setting | RVU23C |
| 2023-04-01 | $38.18 | Not available in this setting | RVU23B |
| 2023-01-01 | $38.18 | Not available in this setting | RVU23A |
| 2022-10-01 | $38.96 | Not available in this setting | RVU22D |
| 2022-07-01 | $38.96 | Not available in this setting | RVU22C |
| 2022-04-01 | $38.96 | Not available in this setting | RVU22B |
| 2022-01-01 | $38.96 | Not available in this setting | RVU22A |
| 2021-10-01 | $39.59 | Not available in this setting | RVU21D |
| 2021-07-01 | $39.59 | Not available in this setting | RVU21C |
| 2021-04-01 | $39.59 | Not available in this setting | RVU21B |
| 2021-01-01 | $39.59 | Not available in this setting | RVU21A |
| 2020-10-01 | $39.98 | Not available in this setting | RVU20D |
| 2020-07-01 | $39.98 | Not available in this setting | RVU20C |
| 2020-04-01 | $39.98 | Not available in this setting | RVU20B |
| 2020-01-01 | $39.98 | Not available in this setting | RVU20A |
| 2019-10-01 | $39.41 | Not available in this setting | RVU19D |
| 2019-07-01 | $39.41 | Not available in this setting | RVU19C |
| 2019-04-01 | $39.41 | Not available in this setting | RVU19B |
| 2019-01-01 | $39.41 | Not available in this setting | RVU19A |
| 2018-10-01 | $39.04 | Not available in this setting | RVU18D |
| 2018-07-01 | $39.04 | Not available in this setting | RVU18C |
| 2018-04-01 | $39.04 | Not available in this setting | RVU18B |
| 2018-01-01 | $39.04 | Not available in this setting | RVU18AR1 |
| 2017-10-01 | $38.56 | Not available in this setting | RVU17D |
| 2017-07-01 | $38.56 | Not available in this setting | RVU17C |
| 2017-04-01 | $38.56 | Not available in this setting | RVU17B |
| 2017-01-01 | $38.56 | Not available in this setting | RVU17A |
| 2016-10-01 | $38.43 | Not available in this setting | RVU16D |
| 2016-07-01 | $38.43 | Not available in this setting | RVU16C |
| 2016-04-01 | $38.43 | Not available in this setting | RVU16B |
| 2016-01-01 | $38.43 | Not available in this setting | RVU16A |
| 2015-10-01 | Not in this release | Not in this release | RVU15D |
| 2015-07-01 | Not in this release | Not in this release | RVU15C |
| 2015-04-01 | Not in this release | Not in this release | RVU15B |
| 2015-01-01 | Not in this release | Not in this release | RVU15A |
| 2014-10-01 | Not in this release | Not in this release | RVU14D |
| 2014-07-01 | Not in this release | Not in this release | RVU14C |
| 2014-04-01 | Not in this release | Not in this release | RVU14B |
| 2014-01-01 | Not in this release | Not in this release | RVU14A |
| 2013-10-01 | Not in this release | Not in this release | RVU13D |
| 2013-07-01 | Not in this release | Not in this release | RVU13C |
| 2013-04-01 | Not in this release | Not in this release | RVU13B |
| 2013-01-01 | Not in this release | Not in this release | RVU13AR |
Where the Idaho rate applies
Idaho is a Medicare payment area, not a city. Our Census mapping connects it to 235 cities and communities in Idaho. Some span more than one payment area; confirm with the service ZIP.
- Aberdeen
- Acequia
- Albion
- American Falls
- Ammon
- Arbon Valley
- Arco
- Arimo
92537 billing questions
How does 92537 differ from 92538?
92537 is for caloric vestibular testing with eye-movement recording. Use 92538 when the test is performed without recording.
Should modifier 50 be added for both ears?
No. CMS prices 92537 as a bilateral service, and modifier 50 does not increase payment.
When should modifier 26 or TC be used?
Use 26 for the professional interpretation and TC for the technical service, including equipment and staff. Billing without either modifier represents the global service.
What documentation supports 92537?
Document that caloric testing was performed with eye-movement recording and include the findings and interpretation. The record should support that the service was the recorded test rather than testing without recording.
Can 92537 be reported with 92540?
The caloric test is distinct from the basic vestibular evaluation represented by 92540. Report both when each service was performed and documented.
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
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