Selenium, 24-Hour Urine
Test Code
16866
84255
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
In-home collection is not available in your area through Quest Mobile.
Clinical Significance
Selenium, 24-Hour Urine
Test Resources
None found for this test
Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.
Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.
Test Details
CPT code 81050 may be added at an additional charge for volume measurement
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
This test is not available for New York patient testing.
This test is not available for New York patient testing.
Reference Range(s)
<240 mcg/24 h
Preferred Specimen(s)
2 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container
Minimum Volume
1 mL
Collection Instructions
Avoid worksite collection. Collect urine in an acid-washed or metal-free plastic container.
Note: Tests performed on a specimen submitted in a non-trace element tube or non acid washed/non metal free container may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that a resubmission with a trace element tube/ container is recommended.
Transport Container
Acid-washed plastic urine container
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 5 days
- Refrigerated: 14 days
- Frozen: 30 days
Setup Schedule
2 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container
1 mL
Avoid worksite collection. Collect urine in an acid-washed or metal-free plastic container.
Note: Tests performed on a specimen submitted in a non-trace element tube or non acid washed/non metal free container may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that a resubmission with a trace element tube/ container is recommended.
Note: Tests performed on a specimen submitted in a non-trace element tube or non acid washed/non metal free container may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that a resubmission with a trace element tube/ container is recommended.
Acid-washed plastic urine container
Room temperature
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days