9 Anoscopy, Proctosigmoidoscopy, Flexible 45385 45378 …
https://www.asge.org/docs/default-source/new-content/practice-support/asge_primer_2017_pgs117-125-single-page.pdf
Colonoscopy, flexible; with transendoscopic ultrasound guided intramural or transmural fine needle aspiration/biopsy(s), includes endoscopic ultrasound examination limited to the rectum, sigmoid, descending, transverse, or ascending colon and cecum, and adjacent structures 45390 Colonoscopy, flexible; with endoscopic mucosal resection 45393
DA: 57 PA: 23 MOZ Rank: 51