Cardiac Patient Testing Protocols

It is imperative that the guidelines listed here be followed when submitting patient samples and paperwork. If either is improperly received, it could result in significant delay of test results or rejection of the sample altogether.

If you have any questions whatsoever, please contact our laboratory personnel.


All of the following testing will be located on the left side of our requisition form.

New Cardiac Patient Workup

Please submit: 4 yellow top tubes with ACD Solution A and 1 red top tube

Please order: HLA Typing for Solid Organ – Patient

Post Initial Evaluation Crossmatches
Auto-crossmatch (only patient): Requires 2 yellow top tubes with ACD Solution A and 1 red top tube

Crossmatch patient with donor: Requires 2 yellow top tubes with ACD Solution A from the donor and 1 red top tube from the patient

PRA (Monthly Serum Screening)
Requires: 1 Red Top Tube

Post Sensitizing event PRA testing

After any type of sensitizing event (i.e. nephrectomy, blood transfusion, pregnancy, etc.) please submit the following as well as listing the event and date of the sensitizing event.

Requires: 1 Red Top Tube

Contact laboratory for pediatric minimums.