Heparin/PF4 IgG ELISA
| Also Known as (Alias) | HIT |
| Method | Enzyme Linked Immunosorbant Assay (ELISA) |
| Test Information | An enzyme linked immunosorbant assay (ELISA) using a complex of heparin and Platelet Factor 4 (PF4) is used to capture antibody developed during type II Heparin-Induced Thrombocytopenia (HIT). Detection of IgG antibody along with a strong clinical history supports a diagnosis of HIT. |
| Sample Requirements | Citrate (blue top) |
| Requested Volume | 5cc Citrate (blue top) |
| Sample Information | Whole blood specimens can be sent directly to Bloodworks within 24 hours of draw time. Samples may also be spun, frozen at -20°C, and shipped on dry ice after-hours or over the weekend. |
| Shipping Information | Send whole blood at ambient temperature Monday – Friday within 24 hours of draw time. Samples may also be spun, frozen at -20°C, and shipped on dry ice during after-hours or over the weekend.
Send samples to: For additional information, please see Ordering Information |
| Requisition Form | RFT- Platelet Immunology Laboratory |
| Transaction Code | 3655-10 |
| CPT Codes | 86022 |
| Test Schedule | Daily, Monday thru Friday |
| Turn around Time (analytic time) | 1 business day |
| Report/Results | Fax number required to receive report |
