Quantitative Inductively Coupled Plasma-Mass Spectrometry
This test is New York DOH approved.
- Patient Preparation
- Diet, medication, and nutritional supplements may introduce interfering substances. Patients should be encouraged to discontinue nutritional supplements, vitamins, minerals, and non-essential over-the-counter medications (upon the advice of their physician).
- Royal blue (K2EDTA or Na2EDTA).
- Specimen Preparation
- Transport 7 mL whole blood in the original collection tube. (Min: 0.5 mL)
- Storage/Transport Temperature
- Room temperature. Also acceptable: Refrigerated.
- Unacceptable Conditions
- Heparin anticoagulant. Frozen specimens.
- If the specimen is drawn and stored in the appropriate container, the trace element values do not change with time.
Effective May 20, 2013
Blood thallium levels reflect recent exposure as thallium has a biological half-life of approximately 2 to 4 days. Blood levels greater than 100 µg/L are considered toxic and greater than 300 µg/L indicate severe ingestion. After severe thallium poisonings, reported symptoms have varying times of onset and include gastroenteritis, multi-organ failure and neurologic injury. Peripheral neuropathy and alopecia are well-documented effects of acute and chronic exposure. Human health effects from low-level thallium exposure are unknown.
Elevated results from noncertified trace element-free collection tubes may be due to contamination. Elevated concentrations of trace elements in blood should be confirmed with a second specimen collected in a tube designed for trace element determinations, such as a royal blue (K2EDTA) or (Na2EDTA) tube.
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