Heparin-Induced Thrombocytopenia Evaluation (SRA)
Order Code: 5509 Get Requisition Form
Heparin-Induced Thrombocytopenia Evaluation is a reflexive algorithm. IgG-PF4 ELISA is always performed. If ELISA results are non-negative a Serotonin Release Assay will be performed.
Minimum / Pediatric Volume
Additional Sample Information
Sample should be spun down and taken off the clot. Sample must be received within 7 days of draw date if refrigerated. Send samples refrigerated. Older serum samples are acceptable if they have been frozen. Send frozen samples on Dry Ice. Room temperature samples are not acceptable.
Refrigerated (If already frozen, send on dry ice)
- PF4: 86022
- SRA: 86022
Platelet Factor 4 (PF4) ELISA and if indicated Serotonin Release Assay (SRA)
New York State Approval