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Print CPT 81240; 81241; 83090; 85290; 85300; 85303; 85306; 85415; 85598; 85613(x2); 85730; 85732(x2); 86146(x3); 86147(x3); 86148(x2)
Synonyms
- Obstetric Complications Profile
Test Details
Turnaround Time
5 - 9 days
Special Instructions
Informed consent is required for New York patients. If abnormal, aPTT will reflex to immediate aPTT mixing studies. If reflex test is performed, additional charges/CPT code(s) may apply.
Test Includes
Activated partial thromboplastin time (aPTT); anticardiolipin antibodies IgA, IgG, IgM; antiphosphatidylserine, IgG, IgM; antithrombin activity; APTT mixing studies; β2-glycoprotein I, IgA, IgG, IgM; dRVVT; factor II gene mutation; factor V Leiden; factor XIII activity; hexagonal phospholipid neutralization; homocysteine; lupus anticoagulant interpretation; plasminogen activator inhibitor-1 (PAI-1) activity; protein C activity (chromogenic); protein S antigen, free
Limitations
This procedure may be considered by Medicare and other carriers as investigational and, therefore, may not be payable as a covered benefit for patients.
Methodology
See individual tests.
Specimen Requirements
Information on collection, storage, and volume
Specimen
Serum, plasma, and whole blood
Volume
Five 1-mL tubes of platelet-poor frozen citrated plasma and 5 mL whole blood and 2 mL frozen serum
Container
Blue-top (sodium citrate) tube citrated platelet-free plasma and lavender-top (EDTA) tube or yellow-top (ACD) tube and red-top tube or gel-barrier tube.
Storage Instructions
Freeze plasma or serum. Maintain whole blood at room temperature; stable for seven days.
Causes for Rejection
Noncitrated plasma; gross homolysis; presence of fibrin; clotted plasma; clotted whole blood samples if adequate DNA not obtained; frozen whole blood
Collection
Plasma/serum must be separated from cells within 45 minutes of venipuncture and plasma centrifuged a second time before being placed in plastic transport tubes. Freeze within two hours and keep frozen until testing is performed.