Assessing T-cell function in patients on immunosuppressive therapy, including solid-organ transplant patients Evaluating patients suspected of having impairment in cellular immunity Evaluation of T-cell function in patients with primary immunodeficiencies, either cellular (DiGeorge syndrome, T-negative severe combined immunodeficiency: SCID, etc) or combined T- and B-cell immunodeficiencies (T- and B-negative SCID, Wiskott Aldrich syndrome, ataxia telangiectasia, common variable immunodeficiency, among others) where T-cell function may be impaired Evaluation of T-cell function in patients with secondary immunodeficiency, either disease related or iatrogenic Evaluation of recovery of T-cell function and competence following bone marrow transplantation or hematopoietic stem cell transplantation
Specimen Type
Blood
Container
Green Top Tube
Collection Instructions
NOTE: DO NOT COLLECT FRIDAY, SATURDAY AND SUNDAYS Container/Tube: Dark Green (Sodium Heparin) Tube Specimen: Less than 3 months: 1 mL 3 months-5 years: 2 mL 6-18 years: 3 mL Greater than 18 years: 10 mL Minimum Volume: 1 mL whole blood Stability: 24 Hrs Room Temperature Collection Instructions: Send specimen is original tube. Do not aliquot.
Transport Instructions
Specimen Stability
24 Hrs Room Temperature
Methodology
Flow Cytometry
Days Performed
Monday through Friday
Performing Laboratory
Mayo Medial Laboratories NOTE: DO NOT COLLECT FRIDAY, SATURDAY AND SUNDAYS
