2007 ICD-9-CM Procedure 45.01 Incision of duodenum 45.01 is a specific code that can be used to specify a procedure 45.01 contains 8 index entries View the full Volume 3 45.* hierarchy Index entries containing 45.01: Drainage duodenum (tube) 46.39 by incision 45.01 Duodenotomy 45.01 Enterocentesis 45.00 duodenum 45.01 Exploration -- see also Incision duodenum 45.01 endoscopic -- see Endoscopy, by site Ileoduodenotomy 45.01 Incision (and drainage) duodenum 45.01 Removal -- see also Excision foreign body NEC -- see also Incision, by site 98.20 duodenum 98.03 by incision 45.01 gallstones duodenum 45.01