Test Code HIT ELISA Heparin Induced Thrombocytopenia Ab ELISA
Cerner Test Code
HITIG
Acceptable Collection Tube(s) or Specimen
Preferred: Red Top
Specimen Draw Volume
Volume: 2.0 mL
Minimum Volume: 1.0 mL
Processing Instructions
Draw Red top tube. Allow to clot 30-60 minutes. Specimen must be clotted before centrifugation (Contact MCL for specimens that do not clot), aliquot serum and freeze.
Stability
Stability: Refrigerated < 24 hrs, Frozen 14 days.
Performed Test Frequency
Monday through Friday @11 am
*Pathologist approval required for testing outside of this time frame.
CPT(s)
86022
Methodology
Enzyme-Linked Immunosorbent Assay (ELISA)
Performing Location
Test performed at Mercy Clinical Lab, Des Moines, IA, Immunology
Rejection Criteria
Rejection criteria: Gross lipemia
Clinical Significance
Detection of antibodies directed against heparin/platelet factor 4 complexes that are implicated in the pathogenesis of immune-mediated type II heparin-induced thrombocytopenia, spontaneous heparin-PF4 antibody (HIT) and thrombocytopenia and thrombosis occurring after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) adenovirus vector vaccine.