K63.1 Perforation of intestine (nontraumatic)

Billable/Specific

Applicable To

Perforation (nontraumatic) of rectum

Type 1 Excludes

perforation (nontraumatic) of duodenum (K26.-)
perforation (nontraumatic) of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8)

Type 2 Excludes

perforation (nontraumatic) of appendix (K35.2-, K35.3-)