Lab Test

Heavy Metals Screen with Demographics

Test Codes

Mayo: HMDB, EPIC: LAB6047, Beaker: XHMS

Department

Send Outs

Instructions

  • High concentrations of gadolinium and iodine are known to interfere with most metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.

Specimen Collection Criteria

Collect: One Royal Blue-top EDTA tube.

DUE TO A NATIONWIDE SHORTAGE OF DARK BLUE EDTA TRACE ELEMENT TUBES, MAYO LAB IS TEMPORARILY ACCEPTING LAVENDER EDTA TUBES.

Physician Office/Draw Specimen Preparation

Do not centrifuge. Maintain whole blood in original tube refrigerated (2-8°C or 36-46°F) until transport.

Preparation for Courier Transport

Transport: 6.0 mL whole blood, refrigerated (2-8°C or 36-46°F). (Minimum: 0.5 mL)

Rejection Criteria

  • Centrifuged specimens.
  • Specimens not collected and processed as indicated.

In-Lab Processing

Do not centrifuge. Maintain whole blood at refrigerated (2-8°C or 36-46°F) until transport.

Transport: 6.0 mL whole blood, refrigerated (2-8°C or 36-46°F). (Minimum: 0.5 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 28 days
Refrigerated (2-8°C or 36-46°F): 28 days
Frozen (-20°C/-4°F or below): 28 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Mayo Clinic Laboratories in Rochester, MN.

Performed

Monday – Saturday.
Results available in 2-4 days.

Reference Range

By report.

Test Methodology

Quantitative Inductively Coupled Plasma-Mass Spectrometry.

Clinical Utility

For clinical utility please see individual test listings: ArsenicCadmiumLead, and Mercury.

CPT Codes

82175 (Arsenic), 82300 (Cadmium), 83655 (Lead), 83825 (Mercury).
LOINC:  Arsenic: Inorganic 12481-8, Organic 53778-7, Total 5586-3

Contacts

Last Updated

12/2/2022

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