K63.1: Perforation of intestine (nontraumatic) inclusionTerm Perforation (nontraumatic) of rectum excludes1 perforation (nontraumatic) of duodenum (K26.-) perforation (nontraumatic) of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8) excludes2 perforation (nontraumatic) of appendix (K35.2-, K35.3-) |