MERCURY, URINE

Specimen Required
Patient Preparation: Patients should be encouraged to discontinue vitamins, nutritional supplements, and nonessential over-the-counter medications prior to specimen collection. High concentrations of iodine may interfere with elemental testing. Abstinence from iodine-containing medications or contrast agents is recommended at least 1 month before sample collection.
Collect 24 hour urine, refrigerate during collection. Mix well and send 8.0 mL urine (1.0 mL minimum) in an IATA-approved metal-free screw-capped plastic urine container. Please contact lab 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 urines, urine collected within 48 hours after administration of gadolinium containing contrast media.

Methodology
Inductively Coupled Plasma/Mass Spectrometry

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

Reference Range
By report

Performed
Monday-Saturday

Turnaround Time5-7 days
Test CodeUMERA
CPT-4 Code (s)
83825
LOINC Codes
Hours collected   30211-7  
Total volume   19153-6  
Mercury, urine ratio to CRT   13465-0  
Creatinine urine/24 hour   2162-6  
Creatinine urine/volume   2161-8  
Mercury urine/volume   5689-5  
Mercury urine/24 hour   6693-6  

Warde
Medical
Laboratory