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148 results found.

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Ordering Recommendation:   Aids in the diagnosis of T-cell lymphoproliferative disorders.
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Ordering Recommendation:   Diagnosis and monitoring of T-cell lymphoproliferative disorders.
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Ordering Recommendation:   Not recommended for routine thyroid screening.
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Ordering Recommendation:   Use to identify TNFRSF13B mutations in individuals with clinical phenotype for common variable immunodeficiency.
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Ordering Recommendation:   Molecular (DNA) test to confirm common pathogenic and pseudodeficiency mutations for Tay Sachs disease. For initial testing for Tay Sachs, refer to Hexosaminidase A Percent and Total Hexosaminidase in Leukocytes (2008125). For carrier screening of common Ashkenazi Jewish-related diseases, please refer to Ashkenazi Jewish Diseases (BLM, ASPA, IKBKAP, FANCC, GBA, MCOLN1, SMPD1, HEXA), Common Mutation Panel (0051415).
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Ordering Recommendation:   Molecular diagnosis of common pathogenic mutations and pseudodeficiency alleles in prenatal samples when the targeted mutations have been confirmed in the parents.
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Ordering Recommendation:   Molecular (DNA) test to confirm pathogenic and pseudodeficiency mutations for Tay Sachs disease. For initial testing for Tay Sachs, refer to Hexosaminidase A Percent and Total Hexosaminidase in Leukocytes (2008125).
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Ordering Recommendation:   Diagnostic test for individuals suspected to have a telangiectasia syndrome without a mutation in the ACVRL1, ENG, or SMAD4 gene.
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Ordering Recommendation:   Laboratory reference method for determining free and total testosterone in men. Total or free testosterone is generally adequate for most evaluations of suspected hypogonadism.
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Ordering Recommendation:   Aids in the evaluation of suspected hypogonadism in men with a total testosterone level at the lower limit of the normal range. Not recommended for use in women and children.
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Ordering Recommendation:   Most sensitive test for detection of hyperandrogenemia in women and children. Acceptable test for androgen deficiency in men.
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Ordering Recommendation:   Aids in the evaluation of suspected hypogonadism in men. Use to monitor testosterone replacement therapy. Not recommended for use in women and children.
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Ordering Recommendation:   Acceptable test for the evaluation of suspected hypogonadism in men. Not recommended for use in women and children.
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Ordering Recommendation:   Acceptable test in the evaluation of suspected hyperandrogenemia in women and children. Acceptable test for evaluating androgen deficiency in men.
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Ordering Recommendation:   Use in conjunction with free testosterone in the evaluation of suspected hyperandrogenemia in women and children.
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Ordering Recommendation:   Aids in the evaluation of suspected hypogonadism in men with a total testosterone level at the lower limit of the normal range. Not recommended for use in women and children.
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Ordering Recommendation:   Recommended initial test in the evaluation of suspected hyperandrogenemia in women and children. Acceptable test for evaluating androgen deficiency in men.
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Ordering Recommendation:   Laboratory reference method for determining free testosterone in men. Free testosterone is generally adequate for most evaluations of suspected hypogonadism.
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Ordering Recommendation:   Determine IgG antibodies in response to protein antigen vaccination. For tetanus antibody titer, order with diphtheria and tetanus antibodies, IgG (0050595). Do not use to diagnose tetanus.
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Ordering Recommendation:   Useful as a biomarker of chronic thallium exposure. For the assessment of acute exposure, consider Thallium, Whole Blood (0099610).
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Ordering Recommendation:   Useful as a biomarker of acute thallium exposure. For the assessment of chronic exposure, consider Thallium, Urine (0025019).
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Ordering Recommendation:   Rule out thanatophoric dysplasia.
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Ordering Recommendation:   Rule out thanatophoric dysplasia.
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Ordering Recommendation:   Optimize therapy for thiopurine drugs. Identify thiopurine metabolite concentrations that may lead to toxicity.
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Ordering Recommendation:   Preferred screening test to detect individuals at high risk for myelosuppression when exposed to standard dose of thiopurines. INTENDED FOR PRETHERAPEUTIC EVALUATION ONLY.
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Ordering Recommendation:   Acceptable screening panel for acquired thrombophilia.
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Ordering Recommendation:   Acceptable panel to detect the two most common inherited thrombophilias (prothrombin-related and factor V Leiden-related).
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Ordering Recommendation:   Acceptable panel to screen for common inherited thrombophilias.
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Ordering Recommendation:   Acceptable panel to screen for uncommon inherited thrombophilias.
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Ordering Recommendation:   Not recommended in the initial evaluation of autoimmune thyroid disease. Most often used to evaluate potentially unreliable thyroglobulin measurements in thyroid carcinomas.
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Ordering Recommendation:   Recommended test for quantifying thyroglobulin in individuals with antithyroglobulin antibodies. Aids in surveillance of residual/recurrent thyroid cancer in individuals who have developed antibodies to thyroglobulin.
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Ordering Recommendation:   Use with FNA biopsy of thyroid nodules to diagnose benign or malignant non-medullary thyroid nodules.
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Ordering Recommendation:   Recommended test for the surveillance of residual/recurrent thyroid cancer. Accurately measures thyroglobulin levels in serum or plasma.
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Ordering Recommendation:   Not the preferred initial test for evaluation of autoimmune thyroid disorder. Consider ordering Thyroid Peroxidase (TPO) Antibody (0050075).
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Ordering Recommendation:   Not recommended for routine thyroid screening.
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Ordering Recommendation:   Not recommended for initial thyroid disorders testing. Distinguish thyroid autoimmune disorders from nonautoimmune disease or hypothyroidism.
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Ordering Recommendation:   Preferred test for screening and monitoring of thyroid function.
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Ordering Recommendation:   Refer to Thyroid Stimulating Hormone (0070145).
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Ordering Recommendation:   Acceptable testing for autoimmune thyroid disease.
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Ordering Recommendation:   Use to assess thyroid function. Includes reflex to free thyroxine for thyroid stimulating hormone results outside of the reference range.
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Ordering Recommendation:   Not routinely ordered. Preferred testing for autoimmune thyroid disease.
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Ordering Recommendation:   Not recommended for routine thyroid screening.
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Ordering Recommendation:   Not recommended for routine thyroid screening.
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Ordering Recommendation:   Not the preferred initial thyroid disorder screening test. Order following an abnormal thyroid stimulating hormone (TSH) result to diagnose thyroid disease. Order in conjunction with TSH in cases of suspected secondary hypothyroidism.
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Ordering Recommendation:   Not recommended for routine evaluation of thyroid disorders. Order Thyroxine, Free (Free FT4) (0070138), instead.
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Ordering Recommendation:   Preferred panel for diagnosing possible tick-borne disease (ie, Anaplasmosis, Ehrlichiosis, or Babesiosis) during the acute phase of the disease.
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Ordering Recommendation:   Do not use in IgA-deficient individuals; recommended single screening test for celiac disease. In confirmed disease, this test may be used for monitoring.
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Ordering Recommendation:   Celiac disease: Do not use in IgA-deficient individuals; acceptable reflex screening test for celiac disease. However, Celiac Disease Reflexive Cascade (2008114) or Tissue Transglutaminase (tTG) Antibody, IgA (0097709) assay is the preferred screening test.Immunobullous diseases: Use along with pemphigoid and pemphigus panel tests and epidermal IgA tTG antibody (2010902), or with epithelial skin antibody and epidermal IgA tTg antibody (2010902) tests to initially diagnose and discriminate among the immunobullous skin diseases in patients suspected or known to have any type of immunobullous disease.
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Ordering Recommendation:   Use in IgA-deficient individuals; recommended single screening test for celiac disease. In confirmed disease, this test may be used for monitoring.
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Ordering Recommendation:   Secondary diagnostic testing for myasthenia gravis when first-line diagnostic tests are negative. Screen for presence of thymoma in patients with myasthenia gravis.
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Ordering Recommendation:   Assist in diagnosis of innate immunodeficiencies when genetic defects of the innate immune system are suspected in individuals negative for other immunodeficiencies (eg, no detectable abnormality of antibody function, complement activity, neutrophil function, or cell mediated immunity).
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Ordering Recommendation:   Aids in detecting individuals at high risk for myelosuppression when exposed to standard dose of thiopurines.
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Ordering Recommendation:   Preferred diagnostic assay for CSF specimens in suspected neurosyphilis.
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Ordering Recommendation:   Acceptable initial screening test for syphilis. May use to confirm reactive treponemal test (eg, EIA, CIA) if using so-called reverse algorithm testing. Acceptable test for monitoring treatment response in established syphilis.
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Ordering Recommendation:   CDC recommended confirmatory test for syphilis. Order if initial screening (eg, RPR, VDRL) is reactive.
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Ordering Recommendation:   Not a recommended test for syphilis diagnosis or monitoring.
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Ordering Recommendation:   Recommended syphilis screening test in so-called reverse screening algorithm. The CDC recommends a nontreponemal test (RPR or VDRL) for initial syphilis screening prior to confirmation with a treponemal test (eg, TP-PA).
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Ordering Recommendation:   For CSF specimens, Treponema pallidum (VDRL), Cerebrospinal Fluid with Reflex to Titer is preferred. May aid in the workup of neurosyphilis.
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Ordering Recommendation:   Not an optimal reflex test. Treponema pallidum Antibody by TP-PA (0050777) is preferred.
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Ordering Recommendation:   Not recommended for routine thyroid screening.
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Ordering Recommendation:   Generally not recommended for routine evaluation of thyroid disorders, although may be considered in pregnant women.
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Ordering Recommendation:   Not recommended for routine thyroid screening.
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Ordering Recommendation:   HIV-1 phenotyping determines tropism (CCR5 or CXCR4) of HIV-1 virus in patients being considered for CCR5 antagonist therapy. If patients viral load is <1,000 HIV-1 copies/mL, refer to tropism assay (2004747).
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Ordering Recommendation:   HIV-1 phenotyping determines tropism (CCR5 or CXCR4) of HIV-1 virus in patients being considered for CCR5 or CSCR4 antagonist therapy. Intended for individuals with documented HIV-1 infection and UNDETECTABLE viral loads.
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Ordering Recommendation:   Recommended test for the diagnosis and management of acute coronary syndrome.
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Ordering Recommendation:   Recommended test for the diagnosis and management of acute coronary syndrome.
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Ordering Recommendation:   Measure total tryptase to confirm mast cell activation in diseases such as:()Mastocytosis()Anaphylaxis()Urticaria()AsthmaNot generally used acutely except where diagnosis is unclear. Useful in prognosis of systemic mastocytosis.
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Ordering Recommendation:   Determine zygosity.
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Ordering Recommendation:   Use for monitoring patients with an established diagnosis of tyrosinemia.