coord IM with specific intestinal dis (IM), as colonic hemorrhage = GASTROINTESTINAL HEMORRHAGE (IM) + COLONIC DISEASES (IM); rectal bleeding: see note under RECTUM; X ref HEMATOCHEZIA is red blood in the feces when bleeding is from the lower bowel: do not coord with FECES unless feces are particularly discussed
The passage of bright red blood from the rectum. The blood may or may not be mixed with formed stool in the form of blood, blood clots, bloody stool or diarrhea.
