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Lab Test Details

Lab Test Details

SIM

LAB766

CPT

86022

Synonyms

HIT Antibody; HITA; Heparin-associated thrombocytopenia antibody; heparin-induced thrombocytopenia antibody; HIPA

Specimen Type

Serum 

Container

Red-top tube or gel-barrier tube

Collection Instructions

None

Volume

Volume:  1 mL
Min. volume: 0.5 mL

Additional Information

Assist in the diagnosis of heparin-induced thrombocytopenia

Patient Preparation

 

Specimen Processing Instructions

Transfer serum to a plastic transport tube if using red-top

Transport Requirements

Frozen

Specimen Stability

7 days 

Rejection Criteria

Serum not separated from red cells; microbially contaminated, hemolyzed, lipemic, icteric, or heat-inactivated samples

Reference Range

Reference Range accompanies report

Critical Value

 

Test Includes

Heparin-induced platelet antibody 

Methodology

HIPA is measured by enzyme immunoassay (EIA) using platelet factor 4 complexed polyvinyl sulfonate (PVS) that is coated to the wells of a microtiter plate. The PVS acts like heparin, exposing antigenic sites for HIPA binding.

Testing Frequency

 

LCA

150075 

Reviewed By

Rhonda Crowe               

Reviewed Date

2/24/23

Supplemental

*   Denotes Reference Lab Test