Test Details

Mnemonic

HMTB

Ordering Code

3700610

CPT-4 Code(s)

82175, 83655, 83825

Specimen Information

Patient Preparation

Avoid seafood consumption 48 hours prior to specimen collection. Collection material such as alcohol swabs should be lead free. Use powder-free gloves during collection.

Collect

EDTA trace metal tube

Specimen Preparation

Send 4.0 mL whole blood refrigerated in original tube or in a Quest trace element blood transport tube (lavender label). A completed heavy metal form must accompany sample.

Alternate Specimen

Sodium heparin trace metal tube

Minimum Volume

2.0 mL

Transport Temperature

Refrigerated

Rejection Criteria

Clotted specimen

Stability

Room temperature: 5 days
Refrigerated: 7 days
Frozen: Unacceptable

Methodology

Inductively Coupled Plasma/Mass Spectrometry or Atomic Spectroscopy
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Reference Range

Analyte/Age Reference Range
Arsenic <23 mcg/L
Whole blood Arsenic level >100 mcg/L
is indicative of acute/chronic exposure.

Lead 0-6 yrs <5 mcg/dL
Lead >6 yrs <10.0 mcg/dL
Mercury <10 mcg/L
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Performing Laboratory

Quest Valencia
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