Draw one green top tube (Sodium or Lithium Heparin) top tube.
Do not centrifuge! Keep at room temp (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 arrive within 24 hours of draw and are accepted Monday through Thursday.
Immunology Lab - Phenotyping Assays
MEMB, XBCP, CD19M, CD20M, BAFFR
Present; ICOS is expressed on activated CD4 T cells.
Mutations of the ICOS gene are associated with common variable immunodeficiency (CVID). Analysis of the expression of ICOS on activated T cells assists with the evaluation of CVID patients.
86353, 88184, 88185 x 4