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Showing search results for "algorithm" 41-50 of 314

  1. von Willebrand Factor Collagen Binding Assay

    The Collagen Binding Assay (vWF:CBA) is a test procedure that quantifies the binding of vWF to collagen. Collagen binding of vWF is associated with the functionally more important HMW forms of vWF. Therefore, vWF:CBA …... More

  2. PSA, Total

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

  3. 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

  4. 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

  5. Paraneoplastic Antibody Evaluation with Reflex to Titer and LB, 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

  6. 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

  7. 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

  8. 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

  9. Penta Screen

    Penta Screen CPT Code(s) 82105, 82397, 82677, 84702, 86336 or 81512* *The 2018 AMA CPT codebook contains the component CPT codes and the new MAAA codeset. Please direct any questions regarding coding to the payor being…... More

  10. T3 Free, Tracer Dialysis

    T 3 measurements are used to diagnose hyperthyroidism. This test can also be used to clarify thyroid status in the presence of possible protein-binding abnormalities.... 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.