K63.3
Ulcer of intestine
Coding guidance (WHO 2019)
Primary ulcer of small intestine Excl.: ulcer (of): anus or rectum (K62.6) duodenal (K26.-) gastrointestinal (K28.-) gastrojejunal (K28.-) jejunal (K28.-) peptic, site unspecified (K27.-) ulcerative colitis (K51.-)