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CPT 93350: Transthoracic Echocardiography with Rest and Exercise
CPT code 93350 identifies transthoracic echocardiography performed at rest and after exercise to assess global and ventricular function and to evaluate cardiac causes of chest pain. This modality is a key diagnostic tool in cardiology for detecting exercise-induced wall motion abnormalities and functional impairment that may not be evident at rest. Nationally, stress echocardiography using CPT code 93350 is important for triaging chest pain, guiding further ischemia evaluation, and informing treatment decisions.
Key payers included in this overview are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of clinical context for the code, how it relates to cardiac stress testing workflows, and connections to commonly billed companion services. The publication outlines typical sites of service, expected clinical indications, and related procedure codes that may appear on the same claim.
The report summarizes coding relationships and operational considerations relevant to billing and claims review, and it highlights how 93350 is positioned among related stress testing and echocardiography codes. Data not available in the input is identified where applicable. The content is designed for clinical coders, revenue cycle professionals, and policy analysts seeking a focused national-level reference for CPT code 93350.
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Billing Code Overview
CPT code 93350 describes a transthoracic echocardiography study performed at rest and after exercise to review cardiac images and assess global and ventricular performance. The procedure evaluates cardiac causes of chest pain by documenting structural and functional changes with imaging before and after exercise.
Service type: Diagnostic cardiovascular imaging (stress echocardiography with rest and exercise imaging).
Typical site of service: Hospital outpatient department or ambulatory cardiac imaging center where exercise stress testing and echocardiographic imaging are performed.
National Reimbursement Benchmarks
Medicare's mean of $128.60 sits well below BUCA’s average commercial mean of $663.90, indicating a substantial gap between federal reimbursement and the broader commercial market for CPT 93350. This divergence highlights that commercial contracts represented by BUCA payers are paying roughly five times the Medicare mean, with Medicare's median locality payment at $121 and BUCA's median at $677.50.
Dispersion (P75 minus P25) varies notably: Blue Cross Blue Shield has the widest interquartile spread at $229.60 (P75 $1,101.70 minus P25 $878.10), followed by BUCA with $272.00 (P75 $736.60 minus P25 $546.40). UnitedHealth Group and Cigna show moderate spreads of $144.40 and $165.10 respectively, while Aetna is comparatively tight with a spread of $121.50. Medicare’s IQR is $108.50 (P75 $178.50 minus P25 $70.00), indicating relatively low locality dispersion compared with many commercial payers.