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Catalog ID WP-HIPA Heparin Antibody (HIT) Functional Confirmation (aka SRA / Serotonin Release Assay / WP-HIPA)

Additional Codes

CPOE: Ref SRA

Specimen

Red top tube, collect 2.0 mL blood

Serum, 1.0 mL (0.5 mL minimum), room temperature

Rejection Criteria

Plasma, contaminated sample, heated sample, insufficient quantity, unlabelled specimen

Interpretative Information

Functional assay detecting antibodies in serum capable of activating platelets in the presence of heparin. Briefly, washed platelets from pre-screened donors are incubated with patient serum in the presence of various concentrations of heparin and platelet activation measured.

aka: Washed Platelet Heparin Induced Platelet Activation (WP-HIPA)

Performing Lab

Machaon Diagnostics

Turn-Around-Time

<24 from specimen receipt at Machaon Diagnostics

Abnormal results will be messaged to the ordering provider.

Reference Values

Negative (<20% activation)