1) A physician interprets an ECG report. CPT 93010 is billed. Later the same day, the same physician must repeat the interpretation due to new findings. Which modifier should be added?
2) A patient requires a repeat ECG interpretation on the same day, but this time by a different physician. The correct coding would be:
3) A surgeon performs reduction of shoulder dislocation (23650), but the procedure is only partially completed due to patient instability. Which modifier should be appended?
4) A colonoscopy is started but discontinued after anesthesia induction due to poor prep. Which modifier applies?
5) A physician performs carpal tunnel release (64721) on the left hand and then repeats the procedure on the right hand during the same session. Which modifier best applies?
6) A patient receives an E/M visit on the same day as a minor procedure (e.g., wart removal, 17110). The E/M is significant and separately identifiable. Which modifier is required?
7) A patient has a post-op follow-up visit for knee surgery. During this period, the physician evaluates the patient for an unrelated sinus infection. Which modifier applies to the E/M?
8) A laparoscopic cholecystectomy (47562) is converted to open surgery (47600). Which modifier should be added to the open procedure code?
9) A surgeon performs laparoscopic appendectomy (44970) and, during the same operative session, also repairs an umbilical hernia (49585). Which modifier should be applied to the hernia repair code?
10) A physician performs skin biopsy (11102) and lesion excision (11402) at separate sites on the same day. Which modifier ensures correct payment?
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