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Salicylate

Test Code: 805

CPT Code(s): 80196

Includes: Salicylate

Methodology: Enzymatic/Colormetric

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Testosterone, FR (Dialysis) and Total (LC/MS/MS)

Test Code: 36170

CPT Code(s): 84402, 84403

Includes: Total Testosterone, Free Testosterone (calculated)

Methodology: Calculation (CALC); Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS); Tracer Equilibrium Dialysis

Clinical Significance: Helpful in assessing testicular function in prepubescent hypogonadal males and in managing hirsutism, virilization in females.

Additional names: Not applicable

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Testosterone, Total, LC/MS/MS

Test Code: 15983

CPT Code(s): 84403

Methodology: Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Clinical Significance: Helpful in assessing testicular function in male and managing hirsutism, virilization in females.

Additional names: Not applicable

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T4 (Thyroxine), Total

Test Code: 867

CPT Code(s): 84436

Methodology: Immunoassay (IA)

Clinical Significance: For diagnosis of hypothyroidism and hyperthyroidism

Note: Free T4 Index (T7) will only be calculated and reported if order code 861 (T3 Uptake) is ordered as well.

Additional names: T4; T-4 (RIA); T4 Total; Tetraiodothyronine; Thyroxine; Thyroxine T4; Thyroxine Total

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Tacrolimus

Test Code: 34482

CPT Code: 80197

Methodology: Enzyme Immunoassay (EIA)

Clinical Significance: Tacrolimus is an immunosuppressive drug discovered in 1984 by the Fujisawa Pharmaceutical Co. It has been shown to be effective for the treatment of rejection following transplantation. “contact DLO Customer Service for full clinical significance if needed”.

Alternative Name(s): Prograf; FK506

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Troponin I

Test Code: 59039

CPT Code(s): 84484

Methodology: Chemiluminescent Microparticle Immunoassay (CMIA)

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Thyroid Peroxidase and Thryoglobulin Antibodies

Test Code: 7260

CPT Code(s): 86376, 86800

Methodology: Immunoassay (IA)

Clinical Significance: Measurement of thyroglobulin antibodies and thyroid peroxidase antibodies is useful in the diagnosis and management of a variety of thyroid disorders including autoimmune thyroiditis, Hashimoto's Disease, Graves Disease and certain types of goiter.

Alternative Name(s): Not applicable

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Thryoid Peroxidsase Antibodies

Test Code: 5081

CPT Code(s): 86376

Methodology: Immunoassay (IA)

Clinical Significance: Assists in the diagnosis of thyroid diseases such as endemic goiter, Graves Disease, autoimmune thyroiditis, Addison's Disease, insulin-dependent diabetes mellitus, Hashimoto's Disease and polyendocrine auto-immunopathies.

Alternative Name(s): Anti-TPO, Anti-Thyroid Microsomal Antibody, TPO

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Thyroglobulin Antibodies

Test Code: 267

CPT Code(s): 86800

Methodology: Immunoassay (IA)

Clinical Significance: Measurement of thyroglobulin antibodies is useful in the diagnosis and management of a variety of thyroid disorders including Hashimoto's thyroiditis, Graves' disease and certain types of goiter.

Alternative Name(s): Thyroglobulin Antibody; Anti-TG; Anti-thryglobulin

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Sodium

Test Code: 836

CPT Code(s): 84295

Includes: Sodium

Methodology: Ion Selective Electrode (ISE)

Clinical Significance: Sodium measurements are useful in the diagnosis and treatment of aldosteronism, diabetes insipidus, adrenal hypertension, Addison's Disease, dehydration, inappropriate antidiuretic hormone secretion, or other diseases involving electrolyte imbalance.

Alternative Name(s): NA, NA+

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