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, lavender EDTA tube
Stability
Room temperature: 5 days
Refrigerated: 7 days
Frozen: Unacceptable
Refrigerated: 7 days
Frozen: Unacceptable
Methodology
Inductively Coupled Plasma/Mass Spectrometry or Atomic Spectroscopy
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
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
Performing Laboratory
Quest Valencia