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.
If venipuncture is not possible: o Draw the light blue last after 20 mL of blood has been withdrawn for other. testing or as waste. Just prior to drawing the light blue tube as the last tube, draw one mL into a discard light blue to prevent cross contamination from the. additive of a tube that was previously drawn.