The Following Scenario Would Require Use of Modifier 47, Anesthesia

The following scenario would require use of modifier 47, Anesthesia by surgeon:

A) While in the postoperative period of a tonsillectomy, the patient falls from a slide and fractures the left ulna, requiring surgical repair
B) During an anterior thoracic spine procedure, the neurosurgeon requests that a thoracic surgeon create the approach to the spine
C) Surgeon performs a neuroplasty procedure and administers a nerve block
D) A neurosurgeon requests the assistance of a nonresident surgeon for a difficult and extensive procedure for which no available residents are qualified to assist