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
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