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Thallium, Random Urine with Creatinine
Test Code8835
Includes
Creatinine
Preferred Specimen
7 mL random urine collected in an acid-washed or metal-free container
Minimum Volume
3 mL
Other Acceptable Specimens
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 re-submission with a trace element tube/container is recommended.
Instructions
Avoid worksite collection. Collect urine in an acid-washed or metal-free plastic container.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 48 hours
Refrigerated: 5 days
Frozen: 14 days
Refrigerated: 5 days
Frozen: 14 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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon-Sat; Report Available: 2-5 days
Clinical Significance
Exposure to thallium is primarily through foods and may occur in highly selected industrial environments. Urinary thallium may be used in assessing toxicity.
