2007 ICD-9-CM Procedure 36.31 Open chest transmyocardial revascularization 36.31 is a specific code that can be used to specify a procedure 36.31 contains 1 index entry View the full Volume 3 36.* hierarchy Index entries containing 36.31: Revascularization cardiac (heart muscle) (myocardium) (direct) 36.10 transmyocardial open chest 36.31