To have a common factor, two or more numbers must be factored and the largest factor that occurs in each number is the greatest common factor.
CPT code 74280 is used to report a barium enema with KUB (kidneys, ureters, and bladder) imaging. This code includes the entire procedure of administering the barium enema and performing the KUB imaging.
The CPT code for a barium esophagram is typically 74220. This code is used to bill for a fluoroscopic examination of the esophagus using barium contrast to diagnose conditions such as strictures, hiatal hernias, and swallowing difficulties.
The specific code for a barium enema with or without a KUB (kidney, ureter, bladder X-ray) would depend on the specific details of the procedure. However, the most commonly assigned code for a barium enema is CPT code 74280. Additional codes may be used for the KUB X-ray if performed. It is important to consult the current version of the CPT code book for accurate and up-to-date coding information.