MODIFIERS APPROVED FOR HOSPITAL OUTPATIENT USE:

LEVEL1

25 Significant separately identifiable evaluation and management services by
the same physician on the same day of the procedure or other service
27 Multiple outpatient hospital E/M encounters on the same day
50 Bilateral procedure
52 Reduced services
58 Staged or related procedure or service by the same physician during the
Postoperative period
59 Distinct procedural service
73 Discontinued outpatient procedure prior to anesthesia administration
74 Discontinued outpatient procedure after to anesthesia administration
76 Repeat procedure by same physician
77 Repeat procedure by another physician
78 Return to the operating room for a related procedure during postoperative period
79 Unrelated procedure or service by the same physician during the postoperative period
91 Repeat clinical diagnostic laboratory test