Question: Missouri subscriber Answer: You cannot "carve out" what part of the E/M service is related to the septum and what is related to the FESS (such as 31254, Nasal/sinus endoscopy, surgical; with ethmoidectomy, partial [anterior]). To track the packing removal, you can enter a $0 charge with 99024 (Postoperative follow-up visit, normally included in the surgical package, to indicate that an evaluation and management service was performed during a postoperative period for a reason[s] related to the original procedure).