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Gastroenterology Coding Alert

Readers Question:
Don't Abandon Modifier 59 Completely for X(EPSU)

Question: Is modifier 59 still valid as modifier for colonoscopy CPT® codes 45380 and 45385? What is the XS modifier? Can the new X(EPSU) series modifiers be used for all insurances or just for Medicare claims? California Subscriber Answer: Yes. The modifier 59 (Distinct procedural service) is still applicable for 45380 (Colonoscopy, flexible; with biopsy, single or multiple) and 45385 (Colonoscopy, flexible; [...]