Ordering Recommendation

Gold standard test for diagnosis of heparin-induced thrombocytopenia (HIT).

Mnemonic
SRA UFH
Methodology

Qualitative Serotonin Release Assay

Performed

Mon-Sat

Reported

2-4 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Serum separator tube.

Specimen Preparation

Transfer 5 mL serum to ARUP Standard Transport Tubes. (Min: 1 mL)

Storage/Transport Temperature

Frozen. Also acceptable: Refrigerated.

Unacceptable Conditions
Remarks
Stability

Ambient: Unacceptable; Refrigerated: 1 week; Frozen: Indefinitely

Reference Interval

By report

Interpretive Data



Compliance Category

Laboratory Developed Test (LDT)

Note
Hotline History
N/A
CPT Codes

86022

Components
Component Test Code* Component Chart Name LOINC
2005632 SRA, Unfractionated Heparin 50734-3
2006744 SRA, Unfractionated Heparin, Low Dose 50728-5
2006745 SRA, Unfractionated Heparin, High Dose 50727-7
2006746 SRA, Unfractionated Heparin, Interp. 66488-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Porcine Heparin (Serotonin Release Assay (Heparin Dependent Platelet Antibody), Unfractionated Hepar
  • SRA UFH (Serotonin Release Assay (Heparin Dependent Platelet Antibody), Unfractionated Heparin)
  • Unfractionated Heparin (Serotonin Release Assay (Heparin Dependent Platelet Antibody), Unfractionate
Serotonin Release Assay (Heparin Dependent Platelet Antibody), Unfractionated Heparin