Thrombin-Antithrombin (TAT) Complex
Test code
CPT code(s)*
Test resources
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Details
Methodology
Enzyme Linked Immunosorbent Assay (ELISA)
Alternative name(s)
TAT
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 1 mL frozen platelet-poor plasma collected in a 3.2% sodium citrate (light blue-top) tube |
| Minimum volume | 0.5 mL |
| Collection instructions | Platelet-poor plasma: Centrifuge light blue-top tube for 15 minutes at approximately 1500 g within 60 minutes of collection. Using a plastic pipette, remove plasma, taking care to avoid the WBC/platelet buffy layer and place into a plastic vial. Centrifuge a second time and transfer platelet-poor plasma into a new plastic vial. Plasma must be free of platelets (<10,000/mcL). Freeze immediately and ship on dry ice. Note on requisition if patient is on oral anticoagulant therapy. |
| Transport container | Transport tube |
| Transport temperature | Frozen |
| Specimen stability | Room temperature: 4 hours Refrigerated: 4 hours Frozen: 30 days |
| Reject criteria | Received room temperature • Received refrigerated |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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