ICD-10-CM TABULAR LIST of DISEASES and INJURIES - 2017 …

The small bowel (also called the small intestine) is the longest section of the gastrointestinal tract and consists of three main parts: the duodenum, the jejunum and the ileum. Crohn’s disease may affect any of these areas and may occur with or without large bowel involvement. However, isolated involvement of the jejunum and duodenum is rare. ................
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