Scheduling of same-day surgery poses special challenges to the logistics of
presurgical testing, particularly for patients who may need blood transfus
ion during or after the operation. Blood type and screen results routinely
performed for all patients scheduled for surgery are valid for 3 days only
However, hospitals and other health care organizations that provide same-da
y surgery have individualized institutional policies to serve their particu
lar patient populations without violating the spirit of the type and screen
policy, and ensuring that the patient is provided safe transfusion support
.