Laboratory Samples Addition of 70 to 150 Units of heparin sodium per 10 to 20 mL sample of whole blood is usually employed to prevent coagulation of the sample. Leukocyte counts should be performed on heparinized blood within two hours after addition of the heparin. Heparinized blood should not be used for isoagglutinin, complement, erythrocyte fragility tests or platelet counts. Discard Unused Portion. Use only if solution is clear and seal intact.
Federal law prohibits dispensing without prescription.