Final answer:
A virtual screening colonoscopy would be coded as CPT code 74261. This non-invasive alternative to a traditional colonoscopy uses a CT scan to create detailed images of the rectum and colon.
Step-by-step explanation:
A virtual screening colonoscopy would be coded using the CPT code 74261. This code is used to bill for a computed tomographic (CT) scan of the colon, which is a non-invasive alternative to a traditional colonoscopy. During a virtual colonoscopy, a CT scan is used to create detailed images of the rectum and colon, which can be analyzed by a specialist to detect any abnormalities or signs of colorectal cancer.