Ulcer of intestine

**Inclusion terms:** - Primary ulcer of small intestine

**Excludes1:** - duodenal ulcer (K26.-) - gastrointestinal ulcer (K28.-) - gastrojejunal ulcer (K28.-) - jejunal ulcer (K28.-) - peptic ulcer, site unspecified (K27.-) - ulcer of intestine with perforation (K63.1) - ulcer of anus or rectum (K62.6) - ulcerative colitis (K51.-)