Unit 5: Hemoglobin Testing 26 Original: October 1999 Revision: September 2010 5 â 5 Recording Hemoglobin Values Objectives After completing this section, you will be able to: Correctly record hemoglobin values. Correctly record reasons why a hemoglobin value was not taken.
Group 7 â EDTA and ESR tubes. Black top ESR-Vacuum top with 3.2% sodium citrate: used for Westergren sedimentation rate. Group 9 â Yellow top with ACD Solution A. Yellow top tube with ACD (acid citrate dextrose) Solution A: used for whole blood determinations including flow cytometry and tissue typing assays.
Vacutainer tubes SST (GOLD) Description: Clot activator tube, with gel barrier. Equivalent to conventional tiger top (red/black) with conventional stopper. Primary uses include serum determinations in chemistry and immunology. For optimum specimen quality, gently invert tube five times after collection to mix clot activator with blood and allow blood to clot upright for 30 minutes before centrifuging for 10 minutes. Serum must be removed after spinning.