Thallium, 24 Hour, Urine
Use
Detecting toxic thallium exposure in 24‑hour urine collections, as thallium exposure may result in gastrointestinal symptoms, peripheral neuropathy, alopecia, seizures, and renal injury; most thallium is excreted in the urine and can be detected up to two months post‑exposure. Useful in settings of suspected acute or chronic thallium exposure. ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/Overview/8603?utm_source=openai))
Special Instructions
Not provided.
Limitations
High concentrations of gadolinium or iodine contrast media can interfere with ICP‑MS metal testing, necessitating a 96‑hour waiting period before specimen collection. No significant cautionary statements otherwise noted. ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/Overview/8603?utm_source=openai))
New York Approved
Methodology
Mass Spectrometry (ICP‑MS/MS)
Biomarkers
Thallium
Analyte
LOINC Codes
- 5746-3 - Thallium 24h Ur-mRate
- 5746-3 - Thallium 24h Ur-mRate
- 13362-9 - Specimen collect Time Ur
Result Turnaround Time
2-5 days
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
10 mL
Minimum Volume
0.3 mL
Container
Clean, plastic urine container with no metal cap or glued insert; aliquot into plastic 10‑mL urine tube (T068) or clean plastic aliquot container with no metal cap or glued insert
Collection Instructions
Collect urine for 24 hours; refrigerate within 4 hours of completion; aliquot 10 mL into specified tube/container
Patient Preparation
If gadolinium‑ or iodine‑containing contrast media administered, delay collection for 96 hours
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 28 days |
| Refrigerated | 28 days |
| Frozen | 28 days |