The provider examines the rectum and colon using a flexible colonoscope, a tubular instrument with a light source and camera, to look for the cause of a patient's symptoms, which may include diarrhea, constipation, rectal bleeding, or abdominal pain. He excises one or more suspicious areas of tissue using biopsy forceps and submits the specimens for laboratory analysis.
For clinical responsibility, terminology, tips and additional info
start codify free trial.