The provider performed debridement of an open leg wound. Two days later, during the postop period, the provider performed a more extensive debridement of the same wound. What modifier would be reported for the second service? A. 58 B. 78 C. 79 D. No modifier is required {Ans: A 58 The second operation performed was more extensive than the first procedure and was within the postoperative period. Modifier reports a procedure is staged or related to a prior procedure or is more extensive than the prior procedure.}Which of the following HCPCS Level II codes is used to report 2.5 cm of collagen matrix nerve wrap? A. C9359 B. C9362 x 5 C. C9361 x 5 D. C9355 {Ans: Collagen matrix nerve wrap is reported with C9361. Five units are required because C9361 reports 0.5 cm. In this case, there is a total of 2.5 cm.}Patient with corneal degeneration is having a cornea transplant. The donor cornea had been previously prepared by punching a central corneal button with a guillotine punch. This had been stored in Optisol GS. It was gently rinsed with BSS Plus solution and was then transferred to the patient's eye on a Paton spatula and