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Test Code HIT ELISA Heparin Induced Thrombocytopenia Ab ELISA

Important Note

Specimens MUST be received in-lab by 11:00 am for same day testing.

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.