(A 40-year-old woman with progressive sensorineural hearing loss in the right ear has acochlear implantplaced...

Cochlear implant surgery is anearprocedure and maps to anesthesia code00120in this question’s option framework. The anesthesiologist ismedically directingCRNAs and is concurrently directing5CRNAs. Under anesthesia modifier rules, when an anesthesiologist is directingmore than fourconcurrent anesthesia procedures, the correct modifier isAD(medical supervision by a physician: more than four concurrent anesthesia procedures). Physical status is given asP3(severe systemic disease), so append-P3. The diagnosis is progressive sensorineural hearing loss in the right ear; in the options,H90.41represents unilateral sensorineural hearing loss (right ear) as provided. Options usingAAwould indicate the anesthesiologist personally performed anesthesia (not true here), andQY/QXrepresent medical direction structures but do not match the “more than four” concurrency described (which specifically triggersADin these exam-style choices). Therefore, the correct reporting by the anesthesiologist is00120-AD-P3, H90.41.