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.
ï· Place the newly drawn tube in a test tube rack. ï· 30 minutes after draw time for a serum tube to clot. condition and medications such as Heparin, Coumadin and Aspirin therapy which prolong clotting. ï· Balance each tube to be spun with the same sized tube that contains an equal volume of fluid.