T, B & NK Cell Enumeration; Lymphocyte Subpopulations; CD4:CD8 testing; T Cell Subpopulation
Cincinnati Children's Diagnostic Immunology
0.5-1 mL Whole Blood
Collect Monday-Thursday 0800-1300 ONLY, no weekends or holidays. Whole blood collected in a sodium heparin (green-top) tube is also acceptable. A concurrent CBC and differential are required in order to report absolute counts.
Room Temp: 24 Hours; Refrigerated: Unacceptable; Frozen: Unacceptable
Frozen; Clotted; Hemolyzed; Centrifuged specimens; Specimen collected in an unacceptable anticoagulant
1 mL Whole Blood
0.5 mL Whole Blood
Complete Cincinnati Diagnostic Immunology requisition, concurrent CBC/Differential and submit with specimen room temp. Ship Monday-Thursday ONLY, no weekends or holidays.
% and absolute count for the lymphocyte subpopulations: Total T cells (CD3), T helper cells (CD4), T cytotoxic cells (CD8), B cells (CD19), and NK cells (CD16/CD65); and CD4:CD8 ratio.
86360, 86359, 86355, 86357