tci Outpatient Facility Coding Alert - 2019 Issue 2
Reader Question: Consider Modifier 79 for Unrelated Procedure Within Global Period
Question: The provider performed a debridement endoscopy (31237) at a one-month check-up visit following a 31255, 31267, 30140, and 30520. May I bill for the 31237 since this still qualifies as the postoperative period? Delaware Subscriber Answer: The global periods for the original procedures performed are as follows: 31255, Nasal/sinus endoscopy, surgical with ethmoidectomy; total (anterior and posterior) — 0 days 31267, Nasal/sinus endoscopy, surgical, with maxillary antrostomy; with removal of tissue from maxillary sinus — 0 days 30140, Submucous resection inferior turbinate, partial or complete, any method — 0 days 30520, Septoplasty or submucous resection, with or without...
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