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PrintTest Details
Turnaround Time
Within 1 day
Use
Evaluate anemia, blood loss, and state of hydration or suspect polycythemic condition and response to treatment
Methodology
Automated cell counter
Specimen Requirements
Information on collection, storage, and volume
Specimen
Whole blood
Volume
Tube fill capacity
Minimum Volume
0.5 mL (500 μL for pediatric microtainer capillary tubes; fill tube to capacity.) (Note: This volume does not allow for repeat testing.)
Container
Lavender-top (EDTA) tube
Storage Instructions
Maintain specimen at room temperature.
Causes for Rejection
Hemolysis; clotted specimen; specimen diluted or contaminated with IV fluid; specimen drawn in any anticoagulant other than EDTA; tube not filled with minimum volume; specimen received with plasma removed; improper labeling; transport tubes with whole blood
Collection
Invert tube 8 to 10 times immediately after tube is filled at the time of collection.