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Showing search results for "algorithm" 51-60 of 313

  1. PSA, Post Prostatectomy

    For post-prostatectomy patients. The lower limit of accurate quantification for this assay is 0.02 ng/mL. PSA values less than 0.02 ng/mL cannot be accurately measured and will be reported as less than 0.02 ng/mL. …... More

  2. Tryptase

    Tryptase concentrations are increased with immediate hypersensitivity (anaphylaxis), acute allergen challenge, and mastocytosis.... More

  3. T4 Free, Direct Dialysis

    For the differential diagnosis of euthyroid hyperthyroxinemia from hyperthyroidism or for the differential diagnosis of euthyroid hypothyroxinemia from hypothyroidism.... More

  4. T3 Total

    Total T 3 measurements are used to diagnose and monitor treatment of hyperthyroidism and are essential for recognizing T 3 toxicosis.... More

  5. Stepwise, Part 2

    Stepwise, Part 2 CPT Code(s) 82105, 84702, 82677, 86336 Includes AFP, Unconjugated Estriol, hCG, Dimeric Inhibin A, PAPP-A (Pregnancy-associated Plasma Protein-A) and hCG from Stepwise, Part 1; Interpretation …... More

  6. TSH

    For differential diagnosis of primary, secondary, and tertiary hypothyroidism. Also useful in screening for hyperthyroidism. This assay allows adjustment of exogenous thyroxine dosage in hypothyroid patients and in …... More

  7. Tryptophan, LC/MS

    Tryptophan, LC/MS CPT Code(s) 82131 Methodology Liquid Chromatography/Mass Spectrometry (LC/MS) Reference Range(s) 1 Month 17-85 umol/L 1-23 Months 16-92 umol/L 2-17 Years 30-94 umol/L 18 Years …... More

  8. TBG (Thyroxine Binding Globulin)

    Thyroxine-binding globulin (TBG), a glycoprotein produced in the liver, binds both thyroxine (T4) and triiodothyronine (T3) with high affinity. Because TBG accounts for 76% of plasma protein thyroxine-binding activity, …... More

  9. Sjgren's Antibody (SS-A)

    Sj gren's Antibodies (SS-B) is detected in approximately 15% of patients with Sj gren's Syndrome. Sj gren's Antibody (SS-B) is present only if Sj gren's Antibody (SS-A) is also detected. The presence of both antibodies…... More

  10. Saccharomyces cerevisiae Antibodies (ASCA) (IgA, IgG)

    Saccharomyces cerevisiae Antibodies (ASCA) (IgA, IgG) CPT Code(s) 86671 (x2) Methodology Enzyme Linked Immunosorbent Assay (ELISA) Reference Range(s) ASCA IgA 20.0 U Negative 20.1-24.9 U Equivocal 25.0 …... 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.