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Test Code HEPPF4 Heparin-PF4 Antibody

Specimen Type

Plasma

Container

Blue Sodium Citrate

Minimum Volume

Filled to indicated line (2.7 mL whole blood)

Pediatric minimum: 1 light blue top tube filled to line (1.8 mL whole blood)

Stability

4 hours at 20-25°C/2 weeks at -20°C

Transfer Instructions

Centrifuge. Aliquot plasma off of cells. Transport separated plasma at -20°C.

Expected Turn Around Time

STAT/ASAP: 1 hour

CPT

86022

Result Information

Result Code

Result Name

HITAB

HIT Ab

Special Instructions

Tube must be filled to the indicated line. Over or underfilled specimens cannot be tested.