Q&A column
January 2022
Q. When reporting reference ranges for absolute differential counts, should the ranges be age specific or is a single reference range acceptable? Read answer.
Q. Is it acceptable to use polystyrene tubes for aliquotting plasma for coagulation tests, such as platelet aggregation, and factor-related studies requiring serial dilutions of plasma? I recall seeing recommendations for using nonpolystyrene tubes for frozen plasma aliquots but did not see a reason for the recommendation. Read answer.