HEPARIN ANTIBODY TEST
| Synonyms: | PF4: Heparin Antibodies; Heparin: Platelet Factor 4 Complex Associated Antibodies |
| Computer Code: | (HAT) |
| Specimen Collection: | 2.7 mL blood (blue top tube) 90% full |
| Minimum Volume: | 1.8 mL blood (blue top tube) 90% full |
| Handling Instructions for Offsite Areas: | Maintain at room temperature. If specimen can not be transported within 2 hours, centrifuge at 3,000 rpm for 20 minutes. Using a plastic pipette, transfer plasma to plastic tube and freezer plasma. Criterias for sample rejection: Short sample l<90% full, overfilled tube, clotted sample |
| Reference Values: | Negative |
| Lab Code: | Diagnostic Hematology |
| Requisition: | SPEC H |
| Test Frequency: | Mon-Sun, sample should be in the lab by noon, otherwise will be tested the following day. |
| Routine TAT: | within 24 hrs |
| Stat TAT: | same day if sample is in the lab before noon |
| CPT Code(s): | 83516 |
| LCD or NCD: | |
| Methodology Used: |
See Addendum XVII |