CPT Code for an echocardiogram?

93303 – Transthoracic echocardiography for congenital cardiac anomalies; complete

93304 – Transthoracic echocardiography for congenital cardiac anomalies; follow-up or limited study

93306 – Echocardiography, transthoracic, real-time with image documentation (2D), includes M-mode recording, when performed, complete, with spectral Doppler echocardiography, and with color flow Doppler echocardiography

93307 – Echocardiography, transthoracic, real-time with image documentation (2D), includes M-mode recording, when performed, complete, without spectral or color Doppler echocardiography

93308 – Echocardiography, transthoracic, real-time with image documentation (2D), includes M-mode recording, when performed, follow-up or limited study