2007 ICD-9-CM Procedure 48.23 Rigid proctosigmoidoscopy 48.23 is a specific code that can be used to specify a procedure 48.23 contains 6 index entries View the full Volume 3 48.* hierarchy 48.23 excludes: flexible sigmoidoscopy (45.24) Index entries containing 48.23: Endoscopy rectum 48.23 through stoma (artificial) 48.22 transabdominal (operative) 48.21 Examination (for) rectum (digital) 89.34 endoscopic 48.23 through stoma (artificial) 48.22 transabdominal 48.21 Exploration -- see also Incision rectum -- see also Proctoscopy 48.23 by incision 48.0 Proctoscopy 48.23 with biopsy 48.24 through stoma (artificial) 48.22 transabdominal approach 48.21 Proctosigmoidoscopy (rigid) 48.23 with biopsy 48.24 flexible 45.24 through stoma (artificial) 48.22 transabdominal approach 48.21 Sigmoidoscopy (rigid) 48.23 with biopsy 45.25 flexible 45.24 through stoma (artificial) 45.22 transabdominal 45.21