CPT 93350Cardiology

Stress tte only

CPT 93350 covers a stress echocardiogram (echo stress test), where ultrasound images of the heart are taken before and after exercise or medication-induced stress to evaluate heart function under stress conditions.

Showing rates for

National Average

Base Medicare rate

$176.94

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

1.46

PE RVU (NF)

3.95

MP RVU

0.06

Total RVU

5.47

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Verify whether you're billing global, professional (26), or technical (TC) component based on practice ownership of equipment and who performed interpretation
Impact: Billing incorrect component can result in 100% denial or significant overpayment recoupment; global rate is $176.94 while component billing splits this amount
Document the type of stress (exercise treadmill vs pharmacologic with dobutamine/regadenoson) and medical necessity for choosing that method
Impact: Missing stress agent documentation is a top audit trigger; clear documentation prevents 15-30% of denials on appeal
Do not bill 93350 with a complete resting echo (93306/93307) on the same day unless medically distinct and separately documented
Impact: 93350 includes limited resting views; billing both codes inappropriately triggers NCCI edits and automatic denials or audit flags
Ensure interpretation report includes comparison of rest and stress images, quantification of wall motion abnormalities, and clinical correlation
Impact: Incomplete reports are cited in 40% of audits; comprehensive documentation supports medical necessity and prevents downcoding
Bill on date of service when interpretation is completed, not when preliminary findings are communicated
Impact: Timing errors can delay payment 30-60 days and create coordination of benefits issues; final signed report must exist for date of service billed
Append modifier 52 or 53 when patient cannot complete stress protocol rather than billing full code without documentation
Proactive use of reduced service modifiers prevents fraud allegations and maintains compliance; protects against $176.94 overpayment recoupment plus potential penalties

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 93350 in 2025?

The 2025 Medicare national average reimbursement for CPT 93350 is $176.94 for both facility and non-facility settings. This rate is based on 5.47 total RVUs (1.46 work RVU + 3.95 PE RVU + 0.06 MP RVU) multiplied by the 2025 conversion factor of $32.3465. Actual reimbursement may vary by geographic location due to locality adjustments.

Can I bill CPT 93350 with a complete resting echocardiogram on the same day?

Generally no, because 93350 includes limited resting images as part of the stress echo protocol. Billing both 93350 and a complete resting echo (93306/93307) triggers NCCI edits. However, if a separate comprehensive resting echo is medically necessary and distinctly documented (such as detailed valve assessment beyond stress protocol), you may bill both with modifier 59 on the separate service and clear documentation supporting the medical necessity.

What modifiers are commonly used with CPT 93350?

The most common modifiers for 93350 are: modifier 26 (professional component only when interpreting but not providing technical service), modifier TC (technical component only when providing equipment/staff but not interpretation), modifier 52 (reduced services when stress portion cannot be completed), modifier 53 (discontinued procedure due to safety concerns), and modifier 59 (distinct service when billed with potentially bundled procedures).

What documentation is required to bill CPT 93350?

Required documentation includes: medical necessity/indication, type of stress (exercise protocol or pharmacologic agent), baseline and peak hemodynamics, image quality assessment, systematic wall motion analysis at rest and stress, comparison between rest and stress function, presence/absence of ischemia, clinical interpretation correlating findings with symptoms, and physician signature with date. The report must demonstrate that both resting and stress imaging were performed and interpreted.

How many RVUs is CPT code 93350 worth?

CPT 93350 has a total of 5.47 RVUs for 2025, consisting of 1.46 work RVUs, 3.95 practice expense RVUs (same for both facility and non-facility), and 0.06 malpractice RVUs. These values are from the CMS Medicare Physician Fee Schedule released December 23, 2024.

What is the difference between CPT 93350 and 93351?

CPT 93350 represents stress echocardiography only (stress images with limited resting views for comparison), while 93351 includes both a complete resting echocardiogram and stress echocardiography performed during the same session. Code 93351 is more comprehensive and has higher reimbursement because it includes the full resting study in addition to the stress protocol.

Can CPT 93350 be billed for both exercise and pharmacologic stress echocardiography?

Yes, CPT 93350 applies to stress echocardiography regardless of the stress method used—whether exercise (treadmill or bicycle) or pharmacologic (dobutamine, regadenoson, adenosine, or dipyridamole). The code descriptor does not differentiate between stress modalities. However, your documentation must specify which method was used and justify why that particular stress method was chosen for the patient.