Test directory: Heparin Induced Antibody

Ordering Code5450
Test NameHeparin Induced Antibody
AliasHeparin Induced Thrombocytopenia
Heparin-Platelet Factor 4 Antibody
Heparin Assoc Thrombocytopenia(HAT)
Preferred SpecimenPlasma
Preferred ContainerCitrate, 3.2% (Lt Blue)
Other Specimen/ContainerSerum in SST (Gold)
Optimum VolumePlasma or Serum = 0.5 mL
Collection InstructionsDraw full tube
Mix tube well
Handling InstructionsSerum samples MUST be clearly labeled as Serum (testing procedure is different for serum vs plasma)

If testing not done w/in 24 hours, submit plasma/serum: double centrifuge, separate and freeze at -20 deg C immediately. Do NOT thaw once specimen is frozen.
Transport RequirementsOahu: Frozen
Airline: Frozen
Specimen StabilityAmbient: 24 hours Plasma/Serum
Frozen: 1 month Plasma/Serum
Rejection CriteriaGrossly hemolyzed, Improperly filled or underfilled Citrate tube, Specimen older than stability limits
Avail. StatNO
Analytic Time1 Day

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info