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Showing search results for "algorithm" 21-30 of 301

  1. Protein C Activity

    Aids in diagnosis of decreased activity of Protein C characterized by recurrent venous thrombosis. Acquired deficiencies associated with Protein C include: Oral anticoagulant therapy, liver disease, vitamin K deficiency…... More

  2. Protein C Antigen

    Aids in diagnosis of congenital deficiencies characterized by recurrent venous thrombosis. Acquired deficiencies associated with Protein C include: oral anticoagulant therapy, liver disease, vitamin K deficiency, …... More

  3. Protein S Antigen, Free

    Protein S Antigen, Free CPT Code(s) 85306 Methodology Immunoturbidimetric Limitations Expected impact by therapeutic levels (potential interference depends upon drug concentration): Warfarin: decrease; Heparin (UFH or …... More

  4. Protein S Antigen, Total

    Protein S Antigen, Total CPT Code(s) 85305 Methodology Immunoturbidimetric Limitations Expected impact by therapeutic levels (potential interference depends upon drug concentration): Warfarin: no effect to decrease; …... More

  5. Prothrombin (Factor II) 20210GA Mutation Analysis

    Factor II Mutation (G20210A) is one of the most common causes of venous thrombosis. 2.3% of the general population is heterozygous in contrast with 6.2% of patients with venous thrombosis and 18% with familial venous …... More

  6. Mixing Study

    Mixing Study CPT Code(s) 85610, 85730 Includes Prothrombin Time (PT), Activated Partial Thromboplastin Time (PTT) If the PT is prolonged ( 13.5 seconds), the PT-Mix will be performed at an additional charge (CPT code…... More

  7. Lupus Anticoagulant Evaluation with Reflex

    Lupus Anticoagulant Evaluation with Reflex CPT Code(s) 85613, 85730 Includes PTT-LA and dRVVT with Reflex Confirmations If PTT-LA is 40 seconds, Hexagonal Phase Confirmation will be performed at an additional charge (…... More

  8. Lyme Disease Ab with Reflex to Blot (IgG, IgM)

    Lyme disease is caused by a bacterium borrelia burgdorferi and is transmitted by ticks. A screening test with high sensitivity is used as the first step in the CDC recommended algorithm. Immunoblot testing …... More

  9. Homocysteine

    An elevated concentration of homocysteine is an independent risk factor for cardiovascular disease. When used in conjunction with methylmalonic acid (MMA), these tests are useful to diagnose and monitor vitamin B12 (…... More

  10. JAK2 V617F Mutation, Quantitative, Plasma-Based, Leumeta

    The JAK2 tyrosine kinase (V617F) was detected in most patients ( 80%) with polycythemia vera (PV), 30-50% of patients with either essential thrombocythemia (ET) or myelofibrosis. The Quantitative measurement of V617F …... More

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.