The provider examines the colon and rectum using a colonoscope, a flexible tube with a camera at its inserted end. If he sees any areas of abnormal mucosa or tissue, he takes samples using a brush passed through the scope or irrigates the area with warm saline and aspirates the washings through the scope. He sends the specimens to the laboratory for diagnostic analysis.
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Code Range for GI tract endoscopy:
44380-44408 - Endoscopy, Stomal
45300-45398 - Endoscopy Procedures on the Rectum
45395-45397 - Excisional Laparoscopic Procedures on the Rectum