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Showing search results for "algorithm" 31-40 of 342

  1. Factor VIII Activity, Clotting

    This test is useful to evaluate a prolonged aPTT. The most common form of hemophilia is caused by a deficiency of Factor VIII. Hemophilia A is an X-linked disorder affecting between 1 in 5000 to 10000 males.... More

  2. Antithrombin III Antigen

    A decrease in Antithrombin III may predispose an individual to thrombosis and to failure to respond to heparin therapy. This can occur as a result of a congenital deficiency, secondary to liver transplant, DIC, …... More

  3. Activated Protein C-Resistance

    Activated Protein C (APC) resistance is the most frequent hereditary defect associated with deep vein thrombosis. Over 95% of the APC resistance phenotype is due to the Factor V Leiden Mutation. The APC-resistance assay…... More

  4. BCR-ABL1 Gene Rearrangement, Quantitative, PCR

    This reverse-transcription PCR-based assay detects the BCR-ABL1 transcript produced by the t(9;22) chromosomal translocation associated with chronic myelogenous leukemia (CML) and a subset of lymphoblastic leukemias. …... More

  5. Beta-2-Glycoprotein I Antibody (IgM)

    Beta-2-Glycoprotein 1, apolipoprotein H, is a cofactor in antiphospholipid antibody binding and is the critical antigen in the antiphospholipid antibody syndrome. Beta-2-Glycoprotein 1 Antibody is more specific than …... More

  6. Beta-2-Glycoprotein I Antibody (IgA)

    Beta-2-Glycoprotein 1, apolipoprotein H, is a cofactor in antiphospholipid antibody binding and is the critical antigen in the antiphospholipid antibody syndrome. Beta-2-Glycoprotein 1 Antibody is more specific than …... More

  7. Beta-2-Glycoprotein I Antibody (IgG)

    Beta-2-Glycoprotein 1, apolipoprotein H, is a cofactor in antiphospholipid antibody binding and is the critical antigen in the antiphospholipid antibody syndrome. Beta-2-Glycoprotein 1 Antibody is more specific than …... More

  8. PSA, Total

    Elevated serum PSA concentrations have been reported in men with prostate cancer, benign prostatic hypertrophy, and inflammatory conditions of the prostate.... More

  9. Phenylalanine

    Abnormalities in phenylalanine metabolism are autosomal recessive disorders that occur in 1 in 10,000 births. The most common form is phenylketonuria. Heterozygotes can have transient cognitive impairment with large …... More

  10. Phenylalanineand Tyrosine

    Phenylalanine and Tyrosine CPT Code(s) 84030, 84510 Methodology Liquid Chromatography/Mass Spectrometry (LC/MS) Limitations If non-PKU types of hyperphenylalanemia are suspected, additional testing for …... 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.