Draw one green top tube (Sodium or Lithium Heparin) top tube.
Do NOT centrifuge! Keep at room temperature (18-22°C).
Preferred volume: 4 mL
Minimum volume: 1 mL blood
Frozen, clotted, hemolyzed or centrifuged specimens. Anticoagulants other than heparin. Specimens >24 hrs old.
Maintain and transport specimens at room temperature (18-22°C).
Ship specimens Priority Overnight via Fed Ex in container sufficiently insulated to avoid temperature extremes (<10°C and >37°C).
24 hours at room temperature (18-22°C)
Samples must be received within 24 hours of draw. Samples are accepted Monday through noon on Friday.
Immunology Lab - Phenotyping Assays
B cell subsets;Flow Cytometry (Memory B Cells)
XBCP, CD19, CD20, TBCDC, TBSBS
Pediatric Reference Ranges
Analysis of switched and unswitched memory B cells is useful for the assessment of B cell subsets in immunodeficiency.
88184, 88185 X 2