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Selenium, 24-Hour Urine
Test Code16866
CPT Codes
84255
Includes
CPT code 81050 may be added at an additional charge for volume measurement
Preferred Specimen
2 mL aliquot of a preserved 24-hour urine submitted in an acid-washed plastic leak-proof container
Minimum Volume
1 mL
Instructions
Avoid worksite collection.
Collect urine in an acid-washed, plastic, leak-proof container. Acidify with Hydrochloric or Nitric Acid (1 mL of concentrated acid for each 100 mL urine).
Collect urine in an acid-washed, plastic, leak-proof container. Acidify with Hydrochloric or Nitric Acid (1 mL of concentrated acid for each 100 mL urine).
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Setup Schedule
Set up: Tues, Fri; Report available: 3 days
Reference Range
<240 mcg/24 h
Performing Laboratory
Quest Diagnostics Nichols Institute, Valencia
27027 Tourney Road
Valencia, CA 91355-5386
