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Lead, Urine
Test Code601
CPT Codes
83655, 82570
Includes
Creatinine
Preferred Specimen
7 mL urine collected in an acid-washed or metal-free container
Minimum Volume
3 mL
Instructions
Avoid worksite collection. Collect urine in an acid washed or metal free plastic container.
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 patients 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 re-submission with a trace element tube/container is recommended.
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 patients 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 re-submission with a trace element tube/container is recommended.
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
Sets up 3 days a week.
Clinical Significance
Elevated urinary lead concentration is indicative of chronic lead toxicity. Urinary lead concentrations may be used to monitor detoxification therapy.
