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Heparin-Dependent Platelet Antibody (SRA) - Unfractionated Heparin

Order Code: 5508

Also Known as

Serotonin Release Assay, SRA-Porcine Heparin, SRA-UFH, SRA-unfractionated heparin

Disease State

Sample Requirements


Additional Sample Requirements

Sample should be spun down and taken off the clot. Sample must be received within 7 days of draw date if refrigerated. Older serum samples are acceptable if they have been frozen. Room temperature samples are not acceptable.

Shipping Information

Refrigerated (If already frozen, send on dry ice)

Requested Volume

5 ml

Minimum/Pediatric Volume

1 ml

CPT Codes



Serotonin Release Assay (SRA)

Turnaround Time

1-3 days

Test Schedule

Performed 6 days per week (Monday through Saturday)


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