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Order Code: 5509
Heparin-Induced Thrombocytopenia Evaluation (SRA)
Test Information
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. USA test status: This is a laboratory developed test (LDT).
Test Type
Functional/Serologic Test
Sample Notes
Serum
Requested Volume
5 ml
Minimum / Pediatric Volume
1 ml
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.
Shipping Information
Refrigerated (If already frozen, send on dry ice)
CPT Codes
- PF4: 86022
- SRA: 86022
Method
Platelet Factor 4 (PF4) ELISA and if indicated Serotonin Release Assay (SRA)
Turnaround Time
3-5 days
New York State Approval
Yes
DEX Z-Code™
No