Jessica Edmiston is manager, coding, for National Medical Billing Services. Q: Concerning screening colonoscopies, our ambulatory surgery center is having no problem using the -PT modifier for ...

2. Under-utilization of -59: It’s not taboo. When the Medicare edits (NCCI) correct coding modifier indicator (i.e., 1) allows a modifier to indicate a “separate” and “distinct” procedure, users may ...