When performing an endoscopy on a patient who is scheduled and prepped for a total colonoscopy, if the physician is unable to advance the scope beyond the splenic flexure due to unforeseen circumstances, modifier _______ is appended to the colonoscopy code.

Question

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Modifier 53 is used to indicate a procedure that is discontinued after anesthesia is administered but before completion due to extenuating circumstances or those that threaten the well-being of the patient.

When Performing an Endoscopy on a Patient Who Is Scheduled