Table 5.

Codes for operating room team roles

Code	Definition
S1	Attending surgeon
S2	All other surgeons (usually fellows and residents), surgical physician assistants, medical students at the operating table
N	Circulating nurse
A	Anyone from the anesthesia team
B	Scrub nurse or surgical technician (manages surgical equipment and supplies at the bedside during a procedure)
Z	Anybody who was not with nursing, surgery, or anesthesia (radiology technician, medical student who was not at the operating table or doing anesthesia, perfusionist, medical sales representative, maintenance, blood bank technician, phone caller or texter, trainee who was just observing, all idle observers, information technology technicians, anyone that could not be categorized with the other subject codes)
99	Recipients from multiple services (e.g., a joke by the attending surgeon intended to be heard by the scrub nurse and the fellow, or the whole room)