What is the 2026 reimbursement for CPT 93306?

The national average reimbursement for 93306 in 2026 is approximately $215.77 (Non-Facility). This reflects the -2.5% Efficiency Adjustment and the $33.40 Conversion Factor.

Why was the RVU for 93306 reduced in 2026?

CMS applied a -2.5% Efficiency Adjustment to non-time-based services like 93306, assuming that technological advances in imaging have reduced the physician effort required for interpretation.

What must be included in the report to bill 93306?

To bill 93306, the report must document 2D imaging, M-mode, spectral Doppler, and color flow Doppler. If any of these are missing, you must bill a more limited code like 93307 or 93308.

Can I bill 93306 with an office visit on the same day?

Yes, provided the office visit is significant and separately identifiable. You should append Modifier 25 to the E/M code (e.g., 99214-25) and ensure the documentation supports both services.

CPTCodeCalculator

SpecialistBase2026 Compliant

CPT 93306

2026 Billing Guide

TTE w/Doppler Complete

Reimbursement

$162.99

Threshold

N/A

2026 Status

Active

What is CPT Code 93306?

CPT 93306 is defined as: Transthoracic echocardiography (TTE) is a comprehensive diagnostic procedure that uses ultrasound to create images of the heart's structure and function. CPT 93306 is a complete service that must include: 2D imaging (structure/anatomy), M-mode recording (measurement of chambers/walls), spectral Doppler (blood flow velocity), and color flow Doppler (direction and turbulence of blood flow). This code is used to evaluate heart valves, chamber size, wall thickness, and ejection fraction.

This code is primarily used for Specialist services. It falls under the category of Medicine / Cardiology and is valid for the 2026 calendar year according to the CMS Physician Fee Schedule.

2026 RVU Components

Relative Value Units (Non-Facility)

Standard Formula Applied

Work RVU

1.3

Physician Effort

PE (Non-Fac)

3.5

Practice Expense

Malpractice

Risk Factor

Total RVU

4.88

Note: [(Work RVU * Work GPCI) + (PE RVU * PE GPCI) + (MP RVU * MP GPCI)] * Conversion Factor

2026 CMS Policy Intelligence

efficiency adjustment

Subject to -2.5% Efficiency Adjustment. CMS has reduced the Work RVU and physician time assumption for 93306, citing productivity gains from modern imaging technology.

conversion factor impact

Payments are calculated using the 2026 Non-QP Conversion Factor of $33.40, unless the provider is an APM Qualifying Participant ($33.57).

site of service differential

Independent labs and office-based practices (POS 11) retain higher PE RVUs compared to hospital-based settings due to indirect cost redistribution.

Administrative Framework

Place of Service

11 (Office)22 (Outpatient Hospital)

NCCI Exclusions

Do not bill with:9332093321933259330793308

Key Modifiers

25Significant, separately identifiable E/M service. May be used if an office visit is performed for a separate clinical reason on the same day as the echo.

26Professional component. Used when the physician provides only the interpretation and report in a facility setting.

Operational Requirements

mandatory components

Must include 2D, M-Mode, Spectral Doppler, and Color Flow Doppler. If any component is missing, a less comprehensive code (e.g., 93307) must be billed.

report requirements

A formal, signed written report must include findings for all four modalities and an interpretation of the clinical significance.

frequency

Typically limited to once per year unless medical necessity for a repeat study is documented (e.g., change in clinical status).

supervision

Requires 'General Supervision' unless local MAC policies specify higher levels.

Compliance Checklist

Detailed time tracking (cumulative for the month).

Specific clinical decision-making documentation.

Electronic care plan availability and access log.

Audit Defense

No specific audit defense elements defined.

2026 Update

Subject to the mandatory -2.5% Efficiency Adjustment on Work RVU values.

Common Clinical Scenarios

No clinical examples provided.

Target Specialties & Utilization

Cardiology

Typical Clinical Indications (ICD-10)

I50.9 (Heart failure, unspecified)I35.0 (Nonrheumatic aortic (valve) stenosis)I11.0 (Hypertensive heart disease with heart failure)

Frequently Asked Questions

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Official Data Provider: CMS Physician Fee Schedule (2026)