Echocardiogram CPT Code 93306: Comprehensive Guide & Best Practices

Dive into our in-depth guide on CPT 93306 — the code for a complete transthoracic echocardiogram with 2D imaging, M-mode, spectral Doppler, and color flow Doppler. Accurate coding of echocardiograms is essential for clean claims, proper reimbursement, and compliance with payer rules. We explain the full definition, documentation requirements, common billing pitfalls, and how to use modifiers (-TC, -26) appropriately. Learn why 93306 differs from codes like 93307 and 93308, how reimbursement varies by setting, and how to avoid denials due to incomplete documentation. Whether you’re a coder, billing specialist, or cardiology provider, this guide equips you with the clarity and confidence to code echocardiograms correctly. Partnering with an expert coding service like Allzone helps ensure compliant claims, faster payments, and revenue optimization.