1 - 3 days
Arsenic (As), Blood
Cadmium (Cd), Blood
Lead (Pb), Blood
Mercury (Hg), Blood
HEAVY METAL SCREEN, BLOOD
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Inductively Coupled Plasma/Mass Spectrometry
Diagnosis of acute poisoning or toxicity.
ARSENIC (As): <13 ng/mL; CADMIUM (Cd): <5 mcg/mL; LEAD (Pb): <5 mcg/dL. Critical Values: age <=15 years: > or = 20 mcg/dL; age >=16 years: > or = 70 mcg/dL; MERCURY (Hg): <10 mcg/mL.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect blood in a royal blue top (trace element) tube with EDTA (K2). Send Lead Reporting Form with the specimen. Heparinized specimens are unacceptable. Gently mix well to prevent clotting. Collection must take place prior to or 48 hours after administering gadolinium-containing contrast media.
Royal blue (trace element) and/or Metal-Free aliquot tubes are available from MLabs (800-862-7284). Collect blood in a royal blue top (trace element) tube with EDTA (K2). Immediately mix blood sample by inverting gently 8 times. Refrigerate and send intact whole blood specimen. Do not collect specimens for trace metal testing from patients who have received gadolinium-, iodine-, or barium-containing contrast material within the past 96 hours. These metal-based contrast agents are known to interfere with laboratory techniques commonly used for trace metals analysis.