2007 ICD-9-CM Procedure 37.11 Cardiotomy 37.11 is a specific code that can be used to specify a procedure 37.11 contains 10 index entries View the full Volume 3 37.* hierarchy 37.11 also known as: Incision of: atrium endocardium myocardium ventricle Index entries containing 37.11: Atriotomy 37.11 Cardiotomy (exploratory) 37.11 Exploration -- see also Incision heart 37.11 Incision (and drainage) atrium (heart) 37.11 endocardium 37.11 myocardium 37.11 Myocardiotomy 37.11 Removal -- see also Excision foreign body NEC -- see also Incision, by site 98.20 heart 37.11 Ventriculomyocardiotomy 37.11 Ventriculotomy heart 37.11