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HelpCatalog ID WBC Order Granulocyte Pheresis (for Transfusion)
CPOE Test Name
Use Blood Bank- Blood Products Adult/Pediatric Subphase to order blood products (Granulocyte Pheresis Order)
Synonyms
Leukocyte Pheresis, Granulocyte Concentrate, White Cell Pheresis, White Cell Concentrate
Specimen Type
Blood
Specimen Requirements
Pink top (EDTA) tube; Fenwal Label. Requires Full Name, Medical Record Number, date and phlebotomist initials/Cerner ID.
Storage and Transport
Send to Blood Bank
Causes for Rejection
Improper labeling; wrong tube; gross hemolysis; insufficient volume
Interpretation
Granulocytes migrate toward, phagocytize, and kill bacteria and fungi.
Test Consists
ABO, Rh, Antibody Screen (Indirect Coombs), and Crossmatch. Granulocyte Pheresis usually contain many leukocytes and platelets along with 20 – 50 mL of red blood cells. A granulocyte pheresis contains approximately >1.0 × 1010 granulocytes, and expires in 24 hours. Due to the expiration of the product, transmissible disease testing cannot be performed. A transfusion risk form must be signed before product can be released.
Turn Around Time
24 – 48 hours for blood center to obtain product, 1 hour for crossmatch.
Methodology
Antibody Screen: Indirect Coombs IgG phase
Crossmatch: Immediate spin
CPT / HCPCS Code
P9050
Reference Ranges
Not applicable
Performing Lab
Blood Bank BI-1230 721-2731