Heparin-Induced Thrombocytopenia Antibodies with Reflex to Serotonin Release Assay : ARUP Lab Tests

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0051249: Heparin-Induced Thrombocytopenia Antibodies with Reflex to Serotonin Release Assay

Test Mnemonic: PLT HAT R
Methodology: Enzyme-Linked Immunosorbent Assay/Serotonin Release Assay Performed: Sun-Sat Reported: 1-10 days

Specimen Required:

Collect: One 7 mL plain red.

Transport: 3 mL serum, frozen. (Min: 2 mL) Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 2 mL serum, frozen. Submit specimen in an ARUP Standard Transport Tube.

Remarks: CRITICAL FROZEN. Ship on dry ice.

Unacceptable Conditions: Plasma or contaminated specimens. Hemolyzed, icteric, lipemic, or heat-inactivated sera may give inconsistent results.

Stability: After separation from cells: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month

Reference Interval:

Test Number	Components	Reference Interval
0051052	Heparin-Induced Thrombocytopenia Antibodies	0.399 OD or less
0093196	Serotonin Release Assay Heparin Dependent Platelet Antibody	By report.

CPT Code(s):
86022; if reflexed add 86022 x2

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