Casandra
Casandra Test Code QD98725Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 4914
Prothrombin with INR and Partial Thromboplastin Times
Also known as: APTT, PTT, PT
Clinical Use
Order TestUse
This test measures how long blood takes to clot by evaluating Prothrombin Time (PT), International Normalized Ratio (INR), and Partial Thromboplastin Time (aPTT). It may help detect disorders of coagulation, monitor anticoagulant therapy (such as warfarin), assess liver disease, vitamin K deficiency, or unexplained bleeding or clotting abnormalities.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (Multiplex Protein Panel)
Biomarkers
International normalized ratio (INR)
AnalyteINR • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Partial Thromboplastin
AnalyteaPTT • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Prothrombin time (PT)
AnalytePT • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Whole Blood
Volume
2.7 mL
Minimum Volume
Not provided
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