Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Detecting toxic thallium exposure.
Blood: 0 - 1 ng/mL; Urine: Less than 10 mcg/specimen (24 hr collection).
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Days Test Performed
Monday - Saturday
2 - 4 days
Soft Order Code
Mayo 8149 Blood, Mayo 8603 Urine
Looking to Order a Test?
We’ve provided helpful links to make ordering easy.
All specimens should be accompanied by a requisition.
Learn about how to properly label and where to ship specimens.
MLabs provides all the supplies necessary for the collection of specimens.
Visit our provider FAQ and learn about common questions to ordering tests.
Offsite Collection Instructions
Blood: Collect blood in 7 mL royal blue top (metal free) tube with EDTA (K2). Refrigerate intact specimen. Heparinized specimens are unacceptable. Urine: Collect 24 hour urine in a clean, plastic container with no metal cap or glued insert and no preservative. Aliquot urine into a clean, plastic container with no metal cap or glued insert and refrigerate within 4 hours of completion of collection. Record 24 hour urine volume and collection dates/times on the request form. Collection must take place prior to or 96 hours after administering gadolinium-containing contrast media.
High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Blood: 7 mL whole blood. Urine: 10 mL aliquot of 24 hour urine collection.
Blood: 0.3 mL whole blood. Urine: 1 mL aliquot of 24 hour urine collection.
Thallium is a by-product of lead smelting and is found in some depilatories and rodenticides. Thallium is rapidly absorbed via ingestion, inhalation, skin contact, and through mucous membranes. Test sent to Mayo Medical Laboratories.