Sample Requirements

Specimen: Whole Blood

Container(s): Lavender/EDTA

Preferred Vol: 7.0 mL

*Pediatric Minimum Vol: 1 full 3.0 mL Lavender/EDTA tube

*Neonate Minimum Vol: 2 full 0.5 mL Lavender/EDTA microtainers

Note: Samples with low volumes may preclude full ABO typing and may require re-draw if blood product transfusion is required.
 

Note: Complete a BWNW Compatability Testing Laboratory (CTL) Request for Testing. Patient arm band, label on specimen, and information in EHR must match including patient name (as registered), medical record number, and date drawn. Document specimen draw time on filled labeled tube. Perform a 2-person verification at the bedside; both individuals must initial the tube, and the verifier’s name must be entered into the EHR. Deliver the specimen and requisition to Seattle Children's Main Lab.