Phytohemagglutin (PHA); Blastogenesis Mitogens; Immune Competence; In vitro T-Cell Function; Lymphocyte Transformation; Pokeweed (PWM); Pediatric Cellular Immune Panel; Infant Cellular Immune Panel
Mayo Medical Lab
Other Reference Test
1-10 mL Whole Blood
Dark Green (Sodium Heparin)
Draw MONDAY-THURSDAY between 0900-1300 ONLY, no weekends or holidays. Send to lab immediately after collection. Specimens must arrive at Mayo within 24 Hours of collection. If WBC is low, collect more volume of blood.
Room Temp: 48 Hours; Refrigerated: Unacceptable; Frozen: Unacceptable
Gross hemolysis; Gross lipemia; Lithium heparin; Aliquot tube
10 mL Whole Blood
1 mL Whole Blood
LPMGF: Lymphocyte Proliferation, Mitogens (Max Prolif of PWM as CD45/CD3/CD19 and PHA as CD45/CD3).
If insufficient peripheral blood mononuclear cells (PBMCs) are isolated from the patient's sample due to low WBC counts or specimen volume received, selected dilutions or stimulants may not be tested at the discretion of the laboratory to ensure the most reliable results. Testing with 1 stimulant will always be performed. When adequate specimen is available for both stimulants to be tested, an additional test code will be reflexed and billed separately.