Thallium, Urine THALUR
| Method(s) | Inductively Coupled Plasma/Mass Spectrometry | ||||||||||||||||||||||||||||||||||||||||||||||
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| Specimen Required | |||||||||||||||||||||||||||||||||||||||||||||||
| Collect | 24-hour or random urine collection. Specimen must be collected in a plastic container and should be refrigerated during collection. | ||||||||||||||||||||||||||||||||||||||||||||||
| Transport | 8 mL aliquot from a well-mixed collection at 2-8ºC. (Min: 1 mL) | ||||||||||||||||||||||||||||||||||||||||||||||
| Remarks | Record total volume and collection time interval on transport tube and test request form. |
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| Stability | Ambient: 1 week; Refrigerated: 2 weeks; Frozen: 1 year |
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| Unacceptable Conditions | Urine collected within 72 hours after administration of iodinated or gadolinium-based contrast media. Acid preserved urine. Specimens contaminated with blood or fecal material. Specimens transported in non-trace element-free transport tube (with the exception of the original device). |
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| Schedule | Daily | ||||||||||||||||||||||||||||||||||||||||||||||
| Billing Code | 5011114 | ||||||||||||||||||||||||||||||||||||||||||||||
| CPTCode | 83018 | ||||||||||||||||||||||||||||||||||||||||||||||
| Notes | Patient prep: 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). High concentrations of iodine may interfere with elemental testing. Collection of urine specimens from patients receiving iodinated or gadolinium-based contrast media should be avoided for a minimum of 72 hours post-exposure. Collection from patients with impaired kidney function should be avoided for a minimum of 14 days post-contrast media exposure. |
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| Preferred Specimen Collection Device(s) | |||||||||||||||||||||||||||||||||||||||||||||||
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