| Test Name: | Heparin-Induced Platelet Antibody |
| Epic Order Code: | LAB766 |
| CPT Code: | 86022 | | |
| Specimen(s) Type: | Plasma; 4 mL |
| Acceptable Container(s): |  Tube top is blue. |
| Testing Schedule: | 24 hours/day, 7 days/week |
| Turn Around Time: | STAT: 1 hour |
| | Routine: 4 hours |
| Collection Information: | No special patient preparation is required. Obtain specimen by standard collection procedures. |
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. |
| Reference Clients: | If unable to deliver to the lab within 1 hour, centrifuge the specimen for 10 minutes at 3500 RPM. Remove plasma from cells and place into a transport tube. Store and transport at 2-8° C for up to 3 hours. If testing is delayed beyond this, the sample must be stored and transported frozen at -20° C and delivered to lab within 2 weeks. |
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, grossly hemolyzed, clotted. |
| Reference Range: | Negative | | |
| Additional Information: | Patients on heparin therapy may give erroneous results. It is recommended that patients be off heparin therapy 12 hours prior to sample collection. |