A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Mercury, 24-Hour Urine
Test Code36441
CPT Codes
83825
Includes
CPT code 81050 may be added at an additional charge for volume measurement
Preferred Specimen
7 mL aliquot of a well-mixed 24-hour urine collected in a plastic, acid-washed, metal-free, leak-proof container
Patient Preparation
Avoid seafood consumption for 48 hours prior to collection.
Minimum Volume
3 mL
Other Acceptable Specimens
Please note: Test performed on a specimen submitted in a nontrace element tube/container (not acid-washed) may not accurately reflect the patient's level. If a nontrace element tube/container is received, it will be accepted for testing; however, elevated results are reported with a message that resubmission with a trace element tube/container is recommended.
Instructions
Avoid work-site collection. Collect urine in 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 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: Mon-Sat; Report available: 1-2 days
Reference Range
Reference Range | ≤20 mcg/L |
Toxic | ≥150 mcg/L |
Clinical Significance
Mercury, a highly toxic metal, is present in select industrial environments and in contaminated ocean fish. Urinary measurements are appropriate for assessing ongoing exposure to inorganic mercury.
Performing Laboratory
Quest Diagnostics Nichols Institute |
14225 Newbrook Drive |
Chantilly, VA 20153 |