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Thrombin-Antithrombin (TAT) Complex (TATHR)
Test CodeLAB2409
Quest Code
10162
Alias/See Also
TATHR
CPT Codes
83520
Preferred Specimen
1 mL frozen platelet-poor plasma collected in a 3.2% sodium citrate (light blue-top) tube
Minimum Volume
0.5 mL
Instructions
Platelet poor plasma: Centrifuge light blue-top tube for 15 minutes at approximately 1500g 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/µL). Freeze immediately and ship on dry ice.
Transport Container
Transport tube
Transport Temperature
Frozen
Specimen Stability
Room temperature: 4 hours
Refrigerated: 4 hours
Frozen: 30 days
Refrigerated: 4 hours
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature or refrigerated
Methodology
Enzyme Linked Immunosorbent Assay (ELISA)
Setup Schedule
Wed
Report Available
3-10 days
Reference Range
<4 mcg/L
Clinical Significance
Thrombin-Antithrombin (TAT) Complex is a parameter of coagulation and fibrinolysis. The Thrombin-Antithrombin Complex keeps clotting in check. Deficiencies may aid in understanding hypercoagulable states. Elevated concentrations have been associated with vascular complications associated with diabetes.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |
