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HelpTest ID BLOD1734 Heparin-PF4 Antibody with Reflex to Serotonin Release Assay
Additional Codes
Test reflexes to SRA (BLOD1153) when the OD value is >/= 0.4
AKA
Heparin Induced Thrombocytopenia
HIT
Specimen Type/Requirements
Red top (Serum w/out gel) tube - Serum
Heparin administered before the draw will not affect the test.
*Note: For same day results, performing lab must receive specimen by 11am Monday through Friday.
Test is affected by hemolysis and lipemia.
Stability/Transport
| Room Temperature | Not Acceptable | |
|---|---|---|
| Refrigerated | 48 hours | |
| Frozen | Greater than 48 hours | Preferred for transport |
Specimen Volume
| Preferred Volume | 2.0 mL |
|---|---|
| Minimum Volume | 1.5 mL |
Performed Test Frequency
Monday through Friday
Performing Lab
Heparin-PF4 testing is performed in Fargo
Reflex SRA test will be sent to Mayo
Analytical Time
1-3 days
Methodology
ELISA
CPT
86022