Mercury, 24-Hour Urine

Mercury, 24-Hour Urine

Test Code

36441
83825
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
36441
83825
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order.
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection is not available in your area through Quest Mobile.

Clinical Significance

Mercury, 24-Hour Urine - 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.

Test Resources

Test FAQ

Mercury

Topic Brief

Laboratory Diagnosis of Peripheral Neuropathy

Test Summary

Comprehensive Toxic Metal Panel, 24-Hour Urine

Test Details

Includes

  • CPT code 81050 may be added at an additional charge for volume measurement

Patient Preparation

Avoid seafood consumption for 48 hours prior to collection

Methodology

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

Assay Category

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.

Reference Range(s)

Reference Range≤20 mcg/L
Toxic≥150 mcg/L

LOINC® Codes, Performing Laboratory

Service Area must be determined
CPT code 81050 may be added at an additional charge for volume measurement
Avoid seafood consumption for 48 hours prior to collection

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.

Reference Range(s)

Reference Range≤20 mcg/L
Toxic≥150 mcg/L
Service Area must be determined

Preferred Specimen(s)

7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container

Alternative Specimen(s)

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.

Minimum Volume

3 mL

Collection Instructions

Avoid worksite collection. Collect urine in an acid-washed or metal-free plastic container.

Transport Container

Acid-washed plastic urine container

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

  • Room temperature: 48 hours
  • Refrigerated: 5 days
  • Frozen: 14 days

Setup Schedule

Service Area must be determined
7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free 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.
3 mL
Avoid worksite collection. Collect urine in an acid-washed or metal-free plastic container.
Acid-washed plastic urine container
Refrigerated (cold packs)
Room temperature: 48 hours
Refrigerated: 5 days
Frozen: 14 days
Service Area must be determined
Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order.
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection is not available in your area through Quest Mobile.
Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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