&lt;h2&gt;&lt;span style=&quot;color: #ff99cc;&quot;&gt;&lt;strong&gt;OVERVIEW&lt;/strong&gt;&lt;/span&gt;&lt;/h2&gt;
&lt;p&gt;&lt;span style=&quot;font-size: 14px; color: #99ccff;&quot;&gt;The T3 (Triiodothyronine), Total, Serum test serves as a secondary assessment tool for hyperthyroidism, particularly in patients exhibiting low thyroid-stimulating hormone levels alongside normal thyroxine levels. This test is instrumental in diagnosing T3 toxicosis and is not recommended for screening the general population; rather, it is intended for individuals with a clinical suspicion of hyperthyroidism. Conducted using Electrochemiluminescence Immunoassay and reported as T3 (Triiodothyronine), Total, S, it is also referred to by various aliases, including Total T3, Thyroid Function Cascade, and T3 Suppression. This test provides valuable insights into thyroid function, aiding in the diagnosis and management of thyroid disorders.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;hr /&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;h3&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;&lt;span style=&quot;color: #ff99cc;&quot;&gt;METHOD NAME&lt;/span&gt;&lt;br /&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Electrochemiluminescence Immunoassay&lt;/span&gt;&lt;/p&gt;
&lt;h3&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;&lt;br /&gt;&lt;span style=&quot;color: #ff99cc;&quot;&gt;AVAILABILITY&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;TBC&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;h3&gt;&lt;span style=&quot;color: #ff99cc;&quot;&gt;&lt;strong&gt;REPORTING NAME&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;
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&lt;div id=&quot;ReportingName-value&quot;&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;T3 (Triiodothyronine), Total, S&lt;/span&gt;&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
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&lt;h3&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;&lt;br /&gt;&lt;span style=&quot;color: #ff99cc;&quot;&gt;ALIASES&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;
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&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;T3 Suppression&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;T3 Total, Serum&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Total T3, Serum&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Triiodothyronine (T3)&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Triiodothyronine, Total T3&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Thyroid Function Cascade&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;T3 (Triiodothyronine), Total Only, Serum&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Triiodothyronine&lt;/span&gt;&lt;/p&gt;
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&lt;h3&gt;&amp;nbsp;&lt;/h3&gt;
&lt;h3 id=&quot;SpecimenType-title&quot;&gt;&lt;span style=&quot;color: #ff99cc;&quot;&gt;&lt;strong&gt;SPECIMEN TYPE&lt;/strong&gt;&amp;nbsp;&lt;/span&gt;&lt;/h3&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&amp;nbsp;Serum&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;h3&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;&lt;span style=&quot;color: #ff99cc;&quot;&gt;SHIPPING INSTRUCTIONS&lt;/span&gt;&lt;br /&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;TBC&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;h3&gt;&lt;span style=&quot;color: #ff99cc;&quot;&gt;&lt;strong&gt;SPECIMEN REQUIRED&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;Collection Container/Tube:&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;Preferred:&lt;/strong&gt; Serum gel&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;Acceptable:&lt;/strong&gt; Red top&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;Submission Container/Tube:&lt;/strong&gt; Plastic vial&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;Specimen Volume:&lt;/strong&gt; 1 mL&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;Collection Instructions:&lt;/strong&gt; Centrifuge and aliquot serum into plastic vial.&lt;/span&gt;&lt;/p&gt;

5-Hydroxyindoleacetic Acid, Plasma

5-Hydroxyindoleacetic Acid, Random, Urine