Includes: Absolute and Percent – Neutrophils, Lymphocytes, Monocytes, Eosinophils, and Basophils
Preferred Specimen(s): Whole blood from a full EDTA (lavender-top) tube
Minimum Volume: Microtainer 500 µL • 1 mL whole blood EDTA (lavender-top) tube
Collection Instructions: Maintain specimen at room temperature. Do not refrigerate. If multiple draw, collect EDTA (lavender-top) tube last. Traumatic draw can introduce thromboplastin and trap WBC and platelets. Refrigeration can precipitate fibrin and trap WBC and platelets.
Transport Container: EDTA (lavender-top) tube
Transport Temperature: Room temperature
Specimen Stability: Room temperature: 48 hours
Reject Criteria:
· Hemolysis
· Clotted
Methodology: Electronic Cell Sizing and Counting/Cytometry/Microscopy
Clinical Significance: Evaluation of anemia, leukemia, reaction to inflammation and infections, peripheral blood cellular characteristics, state of hydration and dehydration, polycythemia, hemolytic disease of newborn, and ABO compatibilities.