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Brigham & Women's Hospital Clinical Pathology & Laboratories

Ordering of blood by telephone

When ordering blood, it is essential to specifically state how quickly the blood is needed. Depending on level of urgency, we suggest you use one of the following requests:
  1. Emergency Request: Blood is needed immediately.
    The blood bank will respond to this request either by providing type- specific blood which requires an emergency release or, if the patient has been found to be antibody screen negative within 72 hours, the blood bank will provide immediate spin crossmatched blood in 5 - 10 minutes. (The risk of incompatiblity with type-specific blood is about 3%. With a recipient known to be antibody screen negative, the risk of incompatibility is about 50 times less, or 0.06%).

  2. Urgent Request: Blood is needed within 1 - 2 hours.
    Work on urgent requests will be started be started by the next available technologist within 1/2 hour of receipt of request.

  3. Routine Request: Any request not designated as Emergency or Urgent is assumed to be routine, and will be processed in the course of the routine work schedule. Work requested in this manner will usually take about one shift to complete.

  4. Preoperative Blood Ordering: In order to have blood available for the morning operative schedule, it is essential that the blood bank receive blood specimens and requisitions by 9:00PM the night before the surgery. If preoperative orders are changed after 9:00PM, the house officer must obtain the approval of the attending surgeon and the director of the blood bank. The blood bank maintains a list of suggested blood orders for common operations. These guidelines should be followed unless the clinical situation indicates a modification. The status of blood work requests may be checked via computer (in the CI system on BICS).

  5. Neonatal Intensive Care Unit (NICU): Requirements may be different for ordering, specimens, and collection; consult the NICU policy manual.