Selenium, Random Urine with Creatinine

Test Code
16867


CPT Codes
82570, 84255<br><strong>This test is for non-New York patient testing. For New York patient testing use test code 8829.</strong>

Preferred Specimen
7 mL random urine collected in an acid-washed plastic container


Minimum Volume
7 mL


Instructions
Collect urine in an acid-washed plastic container. Avoid worksite collection. Send aliquot in a Specialty tube.


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 30 days


Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Tues, Thurs, Sat; Report available: 3-6 days


Reference Range
Selenium, Urine<160 mcg/L
  
Creatinine, Random Urine
≤6 Months2-28 mg/dL
7- 11 Months2-31 mg/dL
1-2 Years2-110 mg/dL
3-8 Years2-130 mg/dL
9-12 Years2-160 mg/dL
>12 Years Male20-320 mg/dL
>12 Years Female20-275 mg/dL
  
Selenium/Creatinine Ratio<140.0 mcg/g creat


Clinical Significance
Selenium is considered an essential trace element. It enters the food chain through plants. Selenium plays an important role in the control of thyroid hormone metabolism. Selenium deficiency may cause reduced growth rates, owing to a feedback response, which lowers tri-iodothyronine-mediated synthesis of growth hormone in the pituitary, while a combined deficiency of selenium and iodine exacerbates hypothyroidism. Selenium is important for proper reproductive performance.


Performing Laboratory
MED FUSION
2501 South State Highway 121
Lewisville, TX 75067



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.