One must remember the excellence between screening colonoscopy and diagnostic colonoscopy. In doing such screening colonoscopy, one may discover any concerns, and so, it is a diagnostic colonoscopy and also the patients are chargeable for a copay. Also, if there's a requirement to prevent a colonoscopy thanks to poor preparation, don't forget to include a modifier.
In addition thereto, if the CPT doesn't put out and demand beyond regular time or complication for, then utilize the modifier 22. The use of modifiers 52 and 53 can result in confusion, and typically, there's a special chart on the particular area of the system that the scope was able to get through for colonoscopy.