Colitis, Ulcerative

**Definition:** Inflammation of the COLON that is predominantly confined to the MUCOSA. Its major symptoms include DIARRHEA, rectal BLEEDING, the passage of MUCUS, and ABDOMINAL PAIN.

**Tree numbers:** - C06.405.205.265.231 - C06.405.205.731.249 - C06.405.469.158.188.231 - C06.405.469.432.249

**Synonyms:** - Colitis Gravis - Idiopathic Proctocolitis - Inflammatory Bowel Disease, Ulcerative Colitis Type - Ulcerative Colitis