&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;color: #99ccff;&quot;&gt;The Pyrimidine 5&#39; Nucleotidase (P5N) test measures the activity of the enzyme pyrimidine 5&#39;-nucleotidase in the blood. This enzyme is involved in the metabolism of pyrimidine nucleotides, which are essential for DNA and RNA synthesis. Reduced P5N activity can indicate conditions such as inherited enzyme deficiencies, hemolytic anemia, or other metabolic disorders. The test helps diagnose these conditions and guide appropriate treatment by evaluating the enzyme&#39;s role in nucleic acid metabolism and red blood cell health.&lt;/span&gt;&lt;/p&gt;
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&lt;h3&gt;&lt;span style=&quot;color: #ff99cc;&quot;&gt;&lt;strong&gt;METHOD NAME&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;
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&lt;p style=&quot;font-weight: 400;&quot;&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Kinetic Spectrophotometry&lt;/span&gt;&lt;/p&gt;
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&lt;h3&gt;&lt;span style=&quot;color: #ff99cc;&quot;&gt;&lt;strong&gt;AVAILABILITY&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;
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&lt;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;TBC&lt;/span&gt;&lt;/p&gt;
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&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;p&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Pyrimidine 5&#39; Nucleotidase, B&lt;/span&gt;&lt;/p&gt;
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&lt;h3&gt;&lt;span style=&quot;color: #ff99cc;&quot;&gt;&lt;strong&gt;OTHER NAME&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;
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&lt;li&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;P5&#39;NT&lt;/span&gt;&lt;/li&gt;
&lt;li&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;P5NT deficiency&lt;/span&gt;&lt;/li&gt;
&lt;li&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Hemolytic anemia&lt;/span&gt;&lt;/li&gt;
&lt;li&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;Basophilic stippling&lt;/span&gt;&lt;/li&gt;
&lt;li&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;uridine 5&#39; monophosphate hydrolase deficiency&lt;/span&gt;&lt;/li&gt;
&lt;li&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;UMPH1 deficiency&lt;/span&gt;&lt;/li&gt;
&lt;li&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;NT5C3A&lt;/span&gt;&lt;/li&gt;
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&lt;h2&gt;&amp;nbsp;&lt;/h2&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;Whole Blood ACD-B&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;SHIPPING INSTRUCTIONS&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 style=&quot;font-weight: 400;&quot;&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 style=&quot;font-weight: 400;&quot;&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;Preferred:&lt;/strong&gt;&amp;nbsp;Yellow top (ACD solution B)&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: 400;&quot;&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;Acceptable:&lt;/strong&gt;&amp;nbsp;Lavender top (EDTA)&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: 400;&quot;&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;Specimen Volume:&lt;/strong&gt;&amp;nbsp;5 mL&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: 400;&quot;&gt;&lt;span style=&quot;color: #99ccff;&quot;&gt;&lt;strong&gt;Collection Instructions&lt;/strong&gt;: Send whole blood specimen in original tube.&amp;nbsp;&lt;strong&gt;Do not aliquot&lt;/strong&gt;.&lt;/span&gt;&lt;/p&gt;

Purines and Pyrimidines Panel, Plasma

Purines and Pyrimidines Panel, Random, Urine

Pyrimidine 5' Nucleotidase, Blood