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Showing search results for "algorithm" 41-50 of 318

  1. DHEA Sulfate, Immunoassay

    DHEA-S is the sulfated form of DHEA and is the major androgen produced by the adrenal glands. This test is used in the differential diagnosis of hirsute or virilized female patients and for the diagnosis of isolated …... More

  2. 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

  3. 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

  4. PSA, Total

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

  5. 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

  6. PTH, Intact and Calcium

    The assay is useful in making the diagnosis of primary hyperparathyroidism, secondary hyperparathyroidism, and a differential diagnosis of hypercalcemia. The assay helps in distinguishing hypercalcemia cause by either …... More

  7. Paraneoplastic Antibody Evaluation with Reflex to Titer and WB, Basic, CSF

    Fluorescent staining patterns on multiple neuronal and non-neuronal tissues identify likely autoantibodies present. Reflex testing to western line blot, cell based indirect immunofluorescent assay or radioimmunoassay …... More

  8. 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

  9. Prothrombin Time with INR

    Screening test for abnormalities of coagulation factors that are involved in the extrinsic pathway. Also used to monitor effects of Warfarin therapy and to study patients with hereditary and acquired clotting disorders.... More

  10. Partial Thromboplastin Time, Activated

    The aPTT is a screening test that will detect deficiencies or inhibitors to the intrinsic (Factors VIII, IX, XI and XII) and common (Factors II, V, X and fibrinogen) pathway coagulation factors.... 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.