If the patient has platelet clumping issues in EDTA, a Lt blue Sodium citrate (NaCit) tube must be collected in addition to the Lavender (EDTA), 4mL tube.
Lavender (EDTA), 4mL
Refrigerated (preferred) - 48 hours
Ambient (OK) - 24 hours
140 - 440 103/mm3
|Newborn (0 - 28 days)||<50,000/mm3||>1 million|
|>28 days||<20,000/mm3||>1 million|