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CPT code 93318: Intraoperative TEE, monitoring purpose2026 Medicare rate & RVUs

Reports transesophageal echocardiography for ongoing intraoperative cardiac assessment, rather than a diagnostic TEE study or TEE guidance for a transcatheter intervention.

CMS RVU26DEffective Oct 1, 2026109 payment localities1.2K Medicare services in 2024

Medicare rate · 93318

Intraoperative TEE, monitoring purpose

Office or facility?

Work RVUs
0
Total RVUs
0.00
Global days
XXX

National rate · 2026

—

Not priced in the facility setting.

See every locality for 93318 →Billed by an NP, PA or therapist? →

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

Your location

Medicare pays by the payment locality where the service is performed.

On this page 10 sections
  1. Medicare rate
  2. What 93318 covers
  3. By payment locality
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Similar codes
  8. Related codes
  9. Billing questions
  10. Sources

What 93318 covers

93318 describes TEE performed for ongoing cardiac assessment during an operation. An ultrasound probe in the esophagus provides real-time cardiac images. The service includes probe placement, image acquisition, and interpretation. It is reported for intraoperative monitoring in a facility setting, rather than for a diagnostic TEE study or TEE guidance of a transcatheter structural intervention. The interpreting physician reports the professional work; the technical component represents the equipment and staff.

Medicare assigns 93318 physician fee schedule status C, or carrier priced. The Medicare Administrative Contractor sets payment for each claim, and CMS publishes no national payment. The service may be reported globally without a modifier, or with modifier 26 for the professional interpretation and modifier TC for the technical component. The cardiovascular diagnostic multiple procedure reduction applies to the technical component.

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.

Where 93318 pays more and less

The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.

109 of 109 payment localities

93318 office and facility rates by payment locality
Payment localityOfficeFacility
AlabamaUnavailableUnavailable
AlaskaUnavailableUnavailable
ArizonaUnavailableUnavailable
ArkansasUnavailableUnavailable
Atlanta, GAUnavailableUnavailable
Austin, TXUnavailableUnavailable
Bakersfield, CAUnavailableUnavailable
Baltimore area, MDUnavailableUnavailable
Beaumont, TXUnavailableUnavailable
Brazoria, TXUnavailableUnavailable

93318 rates by state

Office rate range in each state. Select a state to see its payment localities.

MEWIVTNHMTNDMNMINYMARIWAIDWYSDIAILINOHPANJCTORNVUTCONEMOKYWVVAMDDECAAZNMKSOKARTNNCSCDCTXLAMSALGAFLAKHI

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.

View every state and territory as a table
93318 office rate range by state
State / territoryOffice rate rangeLocalities
AKNo published base rate1
ALNo published base rate1
ARNo published base rate1
AZNo published base rate1
CANo published base rate29
CONo published base rate1
CTNo published base rate1
DCNo published base rate1
DENo published base rate1
FLNo published base rate3
GANo published base rate2
GUNo published base rate1
HINo published base rate1
IANo published base rate1
IDNo published base rate1
ILNo published base rate4
INNo published base rate1
KSNo published base rate1
KYNo published base rate1
LANo published base rate2
MANo published base rate2
MDNo published base rate3
MENo published base rate2
MINo published base rate2
MNNo published base rate1
MONo published base rate3
MSNo published base rate1
MTNo published base rate1
NCNo published base rate1
NDNo published base rate1
NENo published base rate1
NHNo published base rate1
NJNo published base rate2
NMNo published base rate1
NVNo published base rate1
NYNo published base rate5
OHNo published base rate1
OKNo published base rate1
ORNo published base rate2
PANo published base rate2
PRNo published base rate1
RINo published base rate1
SCNo published base rate1
SDNo published base rate1
TNNo published base rate1
TXNo published base rate8
UTNo published base rate1
VANo published base rate2
VINo published base rate1
VTNo published base rate1
WANo published base rate2
WINo published base rate1
WVNo published base rate1
WYNo published base rate1

How the 93318 rate is calculated

Each of 93318’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 · 93318

RVUs × geographic indexes × conversion factor

Office or facility?

Work0.00

0.00 RVUs× 1.000 GPCI

Practice expense0.00

0.00 RVUs× 1.000 GPCI

Malpractice0.00

0.00 RVUs× 1.000 GPCI

Adjusted RVUs

0.0000

Conversion factor

$33.4009

Medicare rate

$0.00

Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.

Payment rules and modifiers for 93318

The CMS indicators that decide how 93318 is paid alongside other services.

CMS payment indicators · 93318

Intraoperative TEE, monitoring purpose

RuleCMS valueWhat it means
Global periodXXXThe global surgery concept doesn’t apply.
Multiple procedures6Diagnostic cardiovascular reduction applies to the technical component.
Bilateral (modifier 50)0The 150% bilateral adjustment doesn’t apply.
Assistant at surgery (80/81/82/AS)0Not paid without supporting documentation.
Co-surgeons (62)0Not permitted.
Team surgery (66)0Not permitted.
Professional/technical1Diagnostic test with separate professional (26) and technical (TC) components.

What modifiers do to the payment

Modifier 26 · payment effect

With and without the modifier

93318 without 26 · national facility

$0.00

Intraoperative TEE, monitoring purpose

93318-26 · Professional component

$101.87

Pays only the interpretation and report.

When to use modifier 26

93318 compared with similar codes

Compare codes · National

5 codes, side by side

Office or facility?

  • 93318

    Intraoperative TEE, monitoring purpose0 wRVU

    Not priced

  • 93312

    Transesophageal echo, complete service2.24 wRVU

    $239.48

  • 93313

    TEE probe placement, probe placement only0.25 wRVU

    Not priced

  • 93314

    TEE, without probe placement1.8 wRVU

    $231.47

  • 93355

    TEE guidance, transcatheter structural intervention4.54 wRVU

    Not priced

How to choose

93312Transesophageal echoComplete service
93312 is a diagnostic TEE examination. 93318 is selected for ongoing intraoperative monitoring.
93313TEE probe placementProbe placement only
93313 reports probe placement alone in the diagnostic TEE code family. 93318 describes intraoperative monitoring, including placement, image acquisition, and interpretation.
93314TEEWithout probe placement
93314 reports image acquisition and interpretation in the diagnostic TEE code family. 93318 is selected for ongoing intraoperative monitoring.
93355TEE guidanceTranscatheter structural intervention
93355 is TEE guidance for a transcatheter structural intervention. 93318 is for intraoperative monitoring, not that specific guidance service.

Codes related to 93318

Related codes aren’t interchangeable: bill the code that matches the service performed.

Codes related to 93318
CodeHow it relatesNational office range
Used instead
93312Transesophageal echo, complete serviceDiagnostic TEE examination is reported when the service is diagnostic rather than ongoing intraoperative monitoring.$215.12–$317.47
93355TEE guidance, transcatheter structural interventionTEE guidance for a transcatheter structural intervention is distinct from monitoring-purpose TEE.No office rate

93318 billing questions

When should 93318 be used instead of 93312?

Use 93318 for ongoing TEE monitoring during an operation. Code 93312 is for a diagnostic TEE examination.

Does 93318 include probe placement and image interpretation?

Yes. The service includes probe placement, real-time image acquisition, and interpretation.

How are modifiers 26 and TC used?

Modifier 26 identifies the professional interpretation, and modifier TC identifies the technical component. Report the global service without a modifier.

How does Medicare price 93318?

Its physician fee schedule status is C, or carrier priced. The Medicare Administrative Contractor sets payment for each claim; CMS publishes no national payment.

Does the multiple procedure reduction affect 93318?

The cardiovascular diagnostic multiple procedure reduction applies to the technical component.

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

Open CMS sourceHow we calculate rates

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