Problem: A worker goes to a physician's office for a scheduled follow up visit for a work related injury. During the examination, the physician determines that the worker's condition requires a course of treatment that includes a trigger point injection at this time. The trigger point injection was not scheduled previously as part of the E/M visit. The physician gives the injection during the visit. The coder billed the E/M code and the trigger point injection code, but the claim was denied.
A. What modifier should the biller add to correct the claim?
B. Which code will the modifier be attached to?