2007 ICD-9-CM Procedure 37.28 Intracardiac echocardiography [ice] 37.28 is a specific code that can be used to specify a procedure 37.28 contains 2 index entries View the full Volume 3 37.* hierarchy 37.28 also known as: Echocardiography of heart chambers ICE Code also any synchronous Doppler flow mapping (88.72) 37.28 excludes: intravascular imaging of coronary vessels (intravascular ultrasound)(IVUS) (00.24) Index entries containing 37.28: Echocardiography 88.72 intracardiac (heart chambers) (ICE) 37.28 Ultrasound heart intracardiac (heart chambers) (ICE) 37.28