A Surgeon Begins an Endoscopic Procedure Intending to Examine the Patient's

A surgeon begins an endoscopic procedure intending to examine the patient's maxillary and ethmoid sinuses only. Upon examination during this procedure, the surgeon determines the patient's symptoms will be effectively treated by removing some inflamed tissue from the maxillary sinus. The surgeon removes the tissue from the maxillary sinus, removes the endoscope and the procedure concludes. The coder may select:

A) 31267 "Nasal/sinus endoscopy, surgical, with maxillary antrostomy, with removal of tissue from maxillary sinus"
B) 31267 "Nasal/sinus endoscopy, surgical, with maxillary antrostomy, with removal of tissue from maxillary sinus" and 31231 "Nasal endoscopy, diagnostic, unilateral or bilateral"
C) 31276 "Nasal/sinus endoscopy, surgical with frontal sinus exploration, with or without removal of tissue from frontal sinus"
D) 31231 "Nasal endoscopy, diagnostic, unilateral or bilateral"