***NOTE: This is a time sensitive assay and must be in the lab within 24 hours of draw*** Assess B cell subsets of immunodeficiencies. Support the diagnosis of common variable immune deficiency (CVID) and assist in predicting the clinical phenotype. Assess B cell reconstitution after bone marrow or hematopoietic stem cell transplantation.
Specimen Type
Container
Lavender Top Tube
Collection Instructions
Container/Tube: Lavender (EDTAS) Top Tube or Pink (K2EDTA) tube Specimen; 4 mL whole blood ( 2 mL min) Transport Temperature: Refrigerated NOTE: This is a time sensitive assay and must be in the lab within 24 hours of draw
Transport Instructions
Specimen Stability
Unacceptable Room Temperature 48 Hours Refrigerated ( 24 to Northwell Labs) Unacceptable Frozen
