THALLIUM, URINE

Test Documentation
Specimen Required
Patient Preparation: Patients should be encouraged to discontinue vitamins, nutritional supplements and non-essential over-the-counter medications before specimen collection.
Collect 24 hour urine, refrigerate during collection. Mix well and send 8.0 mL urine (1.0 mL minimum) refrigerated in an IATA-approved metal-free screw-capped plastic urine container. Please contact laboratory for metal-free screw-capped plastic vials. Specimens in other containers will be rejected. Record total volume on test requisition and specimen label.

Alternate Specimen
Random urine

Rejection Criteria
Acid preserved urine

Methodology
Quantitatively Inductively Coupled Plasma/Mass Spectrometry

Stability
Room Temperature: 7 days; Refrigerated: 14 days; Frozen: 1 year

Reference Range
Thallium, Urine - per volume:   0-5 µg/L  
Thallium, Urine (24-hour):   Not established  
Thallium, Urine-ratio to CRT:   Not established  
Creatinine, 24-hour urine:   By report  

Performed
Wednesday, Saturday

Turnaround Time4-7 days
Test CodeUTHAL
CPT-4 Code (s)
83018
LOINC Codes
Creatinine, Urine - per volume   2161-8  
Thallium, Urine - per 24th   5746-3  
Total Volume   19153-6  
Thallium, Urine - ratio to CRT   29938-8  
Creatinine, Urine - per 24h   2162-6  
Hours Collected   30211-7  
Thallium, Urine - per volume   21558-2  

Warde
Medical
Laboratory