45 Incision, Excision, And Anastomosis Of Intestine 
45.0 Enterotomy 
45.00 Incision of intestine, not otherwise specified convert 45.00 to ICD-10-PCS 45.01 Incision of duodenum convert 45.01 to ICD-10-PCS 45.02 Other incision of small intestine convert 45.02 to ICD-10-PCS
45.03 Incision of large intestine convert 45.03 to ICD-10-PCS 45.1 Diagnostic Procedures On Small Intestine 45.11 Transabdominal endoscopy of small intestine convert 45.11 to ICD-10-PCS 45.12 Endoscopy of small intestine through artificial stoma convert 45.12 to ICD-10-PCS 45.13 Other endoscopy of small intestine convert 45.13 to ICD-10-PCS 45.14 Closed [endoscopic] biopsy of small intestine convert 45.14 to ICD-10-PCS 45.15 Open biopsy of small intestine convert 45.15 to ICD-10-PCS 45.16 Esophagogastroduodenoscopy [EGD] with closed biopsy convert 45.16 to ICD-10-PCS 45.19 Other diagnostic procedures on small intestine convert 45.19 to ICD-10-PCS 45.2 Diagnostic Procedures On Large Intestine 45.21 Transabdominal endoscopy of large intestine convert 45.21 to ICD-10-PCS 45.22 Endoscopy of large intestine through artificial stoma convert 45.22 to ICD-10-PCS 45.23 Colonoscopy convert 45.23 to ICD-10-PCS 45.24 Flexible sigmoidoscopy convert 45.24 to ICD-10-PCS 45.25 Closed [endoscopic] biopsy of large intestine convert 45.25 to ICD-10-PCS 45.26 Open biopsy of large intestine convert 45.26 to ICD-10-PCS 45.27 Intestinal biopsy, site unspecified convert 45.27 to ICD-10-PCS 45.28 Other diagnostic procedures on large intestine convert 45.28 to ICD-10-PCS 45.29 Other diagnostic procedures on intestine, site unspecified convert 45.29 to ICD-10-PCS 45.3 Local Excision Or Destruction Of Lesion Or Tissue Of Small Intestine 45.30 Endoscopic excision or destruction of lesion of duodenum convert 45.30 to ICD-10-PCS 45.31 Other local excision of lesion of duodenum convert 45.31 to ICD-10-PCS 45.32 Other destruction of lesion of duodenum convert 45.32 to ICD-10-PCS 45.33 Local excision of lesion or tissue of small intestine, except duodenum convert 45.33 to ICD-10-PCS 45.34 Other destruction of lesion of small intestine, except duodenum convert 45.34 to ICD-10-PCS 45.4 Local Excision Or Destruction Of Lesion Or Tissue Of Large Intestine 45.41 Excision of lesion or tissue of large intestine convert 45.41 to ICD-10-PCS 45.42 Endoscopic polypectomy of large intestine convert 45.42 to ICD-10-PCS 45.43 Endoscopic destruction of other lesion or tissue of large intestine convert 45.43 to ICD-10-PCS 45.49 Other destruction of lesion of large intestine convert 45.49 to ICD-10-PCS 45.5 Isolation Of Intestinal Segment 45.50 Isolation of intestinal segment, not otherwise specified convert 45.50 to ICD-10-PCS 45.51 Isolation of segment of small intestine convert 45.51 to ICD-10-PCS 45.52 Isolation of segment of large intestine convert 45.52 to ICD-10-PCS 45.6 Other Excision Of Small Intestine 45.61 Multiple segmental resection of small intestine convert 45.61 to ICD-10-PCS 45.62 Other partial resection of small intestine convert 45.62 to ICD-10-PCS 45.63 Total removal of small intestine convert 45.63 to ICD-10-PCS 45.7 Open And Other Partial Excision Of Large Intestine 45.71 Open and other multiple segmental resection of large intestine convert 45.71 to ICD-10-PCS 45.72 Open and other cecectomy convert 45.72 to ICD-10-PCS 45.73 Open and other right hemicolectomy convert 45.73 to ICD-10-PCS 45.74 Open and other resection of transverse colon convert 45.74 to ICD-10-PCS 45.75 Open and other left hemicolectomy convert 45.75 to ICD-10-PCS 45.76 Open and other sigmoidectomy convert 45.76 to ICD-10-PCS 45.79 Other and unspecified partial excision of large intestine convert 45.79 to ICD-10-PCS 45.8 Total Intra-Abdominal Colectomy 45.81 Laparoscopic total intra-abdominal colectomy convert 45.81 to ICD-10-PCS 45.82 Open total intra-abdominal colectomy convert 45.82 to ICD-10-PCS 45.83 Other and unspecified total intra-abdominal colectomy convert 45.83 to ICD-10-PCS 45.9 Intestinal Anastomosis 
45.90 Intestinal anastomosis, not otherwise specified convert 45.90 to ICD-10-PCS 45.91 Small-to-small intestinal anastomosis convert 45.91 to ICD-10-PCS 45.92 Anastomosis of small intestine to rectal stump convert 45.92 to ICD-10-PCS 45.93 Other small-to-large intestinal anastomosis convert 45.93 to ICD-10-PCS 45.94 Large-to-large intestinal anastomosis convert 45.94 to ICD-10-PCS 45.95 Anastomosis to anus convert 45.95 to ICD-10-PCS