CPT guidelines for the Echocardiography section explain that echo includes obtaining ultrasonic signals from the heart and great vessels, with real time image and/or Doppler ultrasonic signal documentation, with interpretation and report. See Chapter 17, Stress Tests, for information on coding stress echocardiography. Know Your Doppler Echo Coding Rules Never report spectral (93320-93321) and color flow (93325) add-on codes with 93306 (Echocardiography, transthoracic, real-time with image documentation [2D], includes M-mode recording, when performed, complete, [...]
