Lavender Top Tube

Also found in: Acronyms.
A phlebotomy tube with EDTA anticoagulant, used in
(1) Chemistry for carcinoembryonic antigen (CEA), lead, rennin
(2) Haematology to measure parameters requiring separated cells—e.g., white cells, red cells—haematocrit, haemoglobin, MCV, MCH, MCHC, differential counts, sedimentation rate, glucose-6-phosphate dehydrogenase, sickle cell preparation, haemoglobin electrophoresis, platelet counts, reticulocyte counts
References in periodicals archive ?
Automation allows more than 90% of reimbursed lavender top tubes to be tested on a single line.