Details

Heavy Metals Screen, Urine

Heavy Metals Panel, Urine , ARUP #20572, EPIC: LAB6048, SOFT: XHMU

Instructions

  • A Urine Creatinine test is performed on each sample.
  • The Urine Heavy Metal Screen includes the following tests:
  • Please refer to the Specimen Collection Manual for instructions on 24 Hour Urine Collection:
  • Diet, medication, and nutritional supplements may introduce interfering substances. Patients should be encouraged to discontinue nutritional supplements, vitamins, minerals, nonessential over-the-counter medications (upon the advice of their physician), and avoid shellfish and seafood for 48 to 72 hours. High concentrations of iodine may interfere with elemental testing. Abstinence from iodine-containing medications or contrast agents for at least 1 month prior to collecting specimens for elemental testing is recommended.
  • Urine collected within 48 hours after administration of a gadolinium (Gd) containing contrast media (may occur with MRI studies) will not be tested.  

Specimen Collection Criteria

Collect (preferred specimen): 24 hour urine sample with no preservative.
Also acceptable: Random urine specimen in a screw-capped container (preferred) or other sterile collection cup. (Min: 2.0 mL)

  • Keep 24 hour urine specimen iced or refrigerated during collection.
  • Include start and end dates and times for the collection period on the specimen container.
Urine Preservative Options
No Preservative
6N Hydrochloric Acid
Boric Acid (10g)
Sodium Carbonate
50% Acetic Acid
REQUIRED
Unacceptable
Unacceptable
Unacceptable
Unacceptable

Physician Office/Drawsite Specimen Preparation

Maintain specimens refrigerated (2-8°C or 36-46°F) prior to transport.

Preparation for Courier Transport

Transport: Entire 24 hour urine collection, or random urine, refrigerated (2-8°C or 36-46°F).

Rejection Criteria

  • Specimens not collected and processed as indicated.

Storage

If the sample is collected and stored in the appropriate container, the trace element values do not change with time.

Performed

Sunday - Saturday.
Results available in 2-5 days.

Reference Range

By report.

Test Methodology

Quantitative Inductively Coupled Plasma/Mass Spectrometry.

Interpretation

By report.

Clinical Utility

This assay is used to screen for heavy metal poisoning and toxic exposure. The urine lead assay is useful for organic lead exposure and to monitor chelation.

CPT Code

82175 (Arsenic - x2 if reflexed), 82300 (Cadium), 83655 (Lead), 83825 (Mercury).

Test Codes

ARUP #20572, EPIC: LAB6048, SOFT: XHMU

Last Updated

7/11/2019