863 Injury to gastrointestinal tract 
863.0 Injury to stomach without open wound into cavity convert 863.0 to ICD-10-CM 863.1 Injury to stomach with open wound into cavity convert 863.1 to ICD-10-CM 863.2 Injury to small intestine without mention of open wound into cavity 
863.20 Injury to small intestine unspecified site without open wound into cavity convert 863.20 to ICD-10-CM 863.21 Injury to duodenum without open wound into cavity convert 863.21 to ICD-10-CM
863.29 Other injury to small intestine without open wound into cavity convert 863.29 to ICD-10-CM 863.3 Injury to small intestine with open wound into cavity 863.30 Injury to small intestine unspecified site with open wound into cavity convert 863.30 to ICD-10-CM 863.31 Injury to duodenum with open wound into cavity convert 863.31 to ICD-10-CM 863.39 Other injury to small intestine with open wound into cavity convert 863.39 to ICD-10-CM 863.4 Injury to colon or rectum without mention of open wound into cavity 863.40 Injury to colon unspecified site without open wound into cavity convert 863.40 to ICD-10-CM 863.41 Injury to ascending (right) colon without open wound into cavity convert 863.41 to ICD-10-CM 863.42 Injury to transverse colon without open wound into cavity convert 863.42 to ICD-10-CM 863.43 Injury to descending (left) colon without open wound into cavity convert 863.43 to ICD-10-CM 863.44 Injury to sigmoid colon without open wound into cavity convert 863.44 to ICD-10-CM 863.45 Injury to rectum without open wound into cavity convert 863.45 to ICD-10-CM 863.46 Injury to multiple sites in colon and rectum without open wound into cavity convert 863.46 to ICD-10-CM 863.49 Other injury to colon and rectum without open wound into cavity convert 863.49 to ICD-10-CM 863.5 Injury to colon or rectum with open wound into cavity 863.50 Injury to colon unspecified site with open wound into cavity convert 863.50 to ICD-10-CM 863.51 Injury to ascending (right) colon with open wound into cavity convert 863.51 to ICD-10-CM 863.52 Injury to transverse colon with open wound into cavity convert 863.52 to ICD-10-CM 863.53 Injury to descending (left) colon with open wound into cavity convert 863.53 to ICD-10-CM 863.54 Injury to sigmoid colon with open wound into cavity convert 863.54 to ICD-10-CM 863.55 Injury to rectum with open wound into cavity convert 863.55 to ICD-10-CM 863.56 Injury to multiple sites in colon and rectum with open wound into cavity convert 863.56 to ICD-10-CM 863.59 Other injury to colon and rectum with open wound into cavity convert 863.59 to ICD-10-CM 863.8 Injury to other and unspecified gastrointestinal sites without mention of open wound into cavity 863.80 Injury to gastrointestinal tract unspecified site without open wound into cavity convert 863.80 to ICD-10-CM 863.81 Injury to pancreas head without open wound into cavity convert 863.81 to ICD-10-CM 863.82 Injury to pancreas body without open wound into cavity convert 863.82 to ICD-10-CM 863.83 Injury to pancreas tail without open wound into cavity convert 863.83 to ICD-10-CM 863.84 Injury to pancreas multiple and unspecified sites without open wound into cavity convert 863.84 to ICD-10-CM 863.85 Injury to appendix without open wound into cavity convert 863.85 to ICD-10-CM 863.89 Injury to other and unspecified gastrointestinal sites without open wound into cavity convert 863.89 to ICD-10-CM 863.9 Injury to other and unspecified gastrointestinal sites with open wound into cavity 
863.90 Injury to gastrointestinal tract unspecified site with open wound into cavity convert 863.90 to ICD-10-CM 863.91 Injury to pancreas head with open wound into cavity convert 863.91 to ICD-10-CM 863.92 Injury to pancreas body with open wound into cavity convert 863.92 to ICD-10-CM 863.93 Injury to pancreas tail with open wound into cavity convert 863.93 to ICD-10-CM 863.94 Injury to pancreas multiple and unspecified sites with open wound into cavity convert 863.94 to ICD-10-CM 863.95 Injury to appendix with open wound into cavity convert 863.95 to ICD-10-CM 863.99 Injury to other and unspecified gastrointestinal sites with open wound into cavity convert 863.99 to ICD-10-CM