When I had mine they listed separate codes for upper and lower even though it was all one event. There was also a code for a lesion they found in there.
colon cancer
Colonoscopy is not typically considered a diagnostic imaging study. While it does use imaging for diagnosis, it is not usually done by radiologists.
colonoscopy
You do not need any special diet before or after a colonoscopy. It is a diagnostic test using a fiber optic camera.
That is a procedure code for a colonoscopy.
how to diagnostic this code
997.4
Nasal endoscopy is a procedure, not a diagnosis, so it doesn't have a diagnostic code.
Gastroenterology proceedure, colonoscopy.
I need the CPT code for colonoscopy with colonic stricture dilation
diagnostic code 8820
Diagnostic Trouble Code