A217

Test CODE NAME

A217

Heparin-Induced Thrombocytopenia (HIT) PF4 Antibody, IgG

Methodology: Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed: Sun-Sat
Reported: 2-3 days
Specimen Required: Collect: Serum Separator Tube (SST) - 0.5 ml serum.
Specimen Preparation: Separate from cells ASAP or within 2 hours of collection. 
Storage/Transport Temperature: CRITICAL FROZEN. 
Additional specimens must be submitted when multiple tests are ordered. Unacceptable Conditions: Heparinized specimens. 
Stability: Ambient: Unacceptable; Refrigerated: 48 hours; Frozen: 1 month
NOTE: * This test is approved for all states. * 
Performing Lab 
ARUP Laboratory
CPT Code(s): 86022