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HIT AB Screen
Test CodeHITAB
Alias/See Also
Heparin Associated Protein, PF4 Assay, PF4, Heparin Dependent AB, PF4 ELISA, Heparin Induced Platelet Antibody, Heparin Dependent Antibody, HIT Screen
CPT Codes
86022
Preferred Specimen
2 tubes of 1.8 mL Buff. Na Citrate, 3.2% (blue top tube) and 1 Serum red top tube
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed specimens.
Lipemic specimens.
Icteric specimens.
Frozen specimens.
Samples anticoagulated with heparin.
Gel tubes.
Short-filled blue top (volume of blood varies by more than 10% from indicated fill line on tube).
Lipemic specimens.
Icteric specimens.
Frozen specimens.
Samples anticoagulated with heparin.
Gel tubes.
Short-filled blue top (volume of blood varies by more than 10% from indicated fill line on tube).
Reference Range
Reported as NEGATIVE, POSITIVE
Performing Laboratory
Little Company of Mary Hospital
2800 W. 95th St.
Evergreen Park, IL 60805
