Table 1.
Requirements for routine coagulation testing.
| Analyte | Reference Method [7] | Expected Turnaround Time | Minimum Volume of Plasma/Serum | Estimated Volume of Whole Blood | Additional Pre-Shipping Sample Preparation |
|---|---|---|---|---|---|
| Heparin Anti-Xa | Labcorp 117101 (activity assay) | 1–3 days | 1.0 mL | 2.0 mL | Centrifugation right after collection and frozen shipping |
| Factor VIII activity | Labcorp 500192 (activity assay) | 3–5 days | 0.5 mL | 1.0 mL | Same as above |
| ATIII activity | Labcorp 015040 (activity assay) | 2–3 days | 1.0 mL | 2.0 mL | Same as above |
| Von Willebrand factor antigen | Labcorp 086280 (immunoassay) | 1–3 days | 1.0 mL | 2.0 mL | Same as above |
| Protein S antigen | Labcorp 164517 (immunoassay) | 2–3 days | 2.0 mL | 4.0 mL | Same as above |
| Factor V Leiden Mutation Analysis | Labcorp 511154 (nucleic acid assay) | 5–7 days | n/a | 3.0 mL | None |
| Factor II (Prothrombin), DNA Analysis | Labcorp 511162 (nucleic acid assay) | 5–7 days | n/a | 3.0 mL | None |