2007 ICD-9-CM Procedure 37.12 Pericardiotomy Surgical construction of an opening or window in the pericardium. It is often called subxiphoid pericardial window technique. 37.12 is a specific code that can be used to specify a procedure 37.12 contains 14 index entries View the full Volume 3 37.* hierarchy 37.12 also known as: Pericardial window operation Pericardiolysis Pericardiotomy Index entries containing 37.12: Cardioschisis 37.12 Creation -- see also Formation pericardial window 37.12 window pericardial 37.12 Fenestration pericardium 37.12 Formation pericardial window 37.12 window pericardial 37.12 Lysis adhesions pericardium 37.12 Operation window pericardium 37.12 Pericardiolysis 37.12 Pericardiostomy (tube) 37.12 Pericardiotomy 37.12 Removal -- see also Excision foreign body NEC -- see also Incision, by site 98.20 pericardium 37.12 Resection -- see also Excision, by site pericardium (partial) (for) drainage 37.12 Window operation pericardium 37.12