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8603M
THALLIUM, 24-HOUR URINE

Test Code 8603M 
Test THALLIUM, 24-HOUR URINE 
Methodology Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) 
Description Useful for detecting toxic thallium exposure 
Specimen 1. 10 mL (minimum: 1.0 mL) from a 24-hour urine collection. No preservative. See "Urine Preservatives" for multiple collections.
2. Collect in clean, plastic urine container(s) with no metal cap(s) or glued insert(s).
3. Send specimen in a clean, plastic aliquot container with no metal cap or glued insert. See "Metals Analysis - Collection and Transport" for complete instructions.
4. Refrigerate specimen within 4 hours of completion of 24-hour collection. Send specimen refrigerated.

NOTE:
1. 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.
2. 24-HOUR VOLUME IS REQUIRED ON REQUEST FORM FOR PROCESSING.
3. Follow "Urine Collection" instructions. 

Reference Values 0-1 mcg/specimen

Reference values apply to all ages. 

Analytic Time 1 Day 
Day(s) Test Set Up Monday, Wednesday 
CPT Code(s) 83789  

Special Instructions