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Mercury, 24-Hour Urine : 36441
Test CodeMERCHR or 36441
CPT Codes
83825
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 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.
Transport Container
Preferred:
7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container
Minimum: 3 mL
7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container
Minimum: 3 mL
Transport Temperature
Refrigerated.
Specimen Stability
Room temperature: 48 hours; Refrigerated: 5 days; Frozen: 14 days
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Setup Schedule
Tuesday, Thursday, Saturday
Report Available
Tuesday, Thursday, Saturday
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
med fusion
