Stanford Hospital & Clinics and Lucile Packard Children’s Hospital
Test Name : ARSENIC, 24HR URINE Order Code : LAB460
Note: This is a Sendout/Referred Test and is only offered to registered patients of SHC or LPCH.
Specimen Type: 24-Hour Urine
Container Type: Urine jug
Required Volume: 10mL aliquot from total 24 hour collection
Minimum Volume (Pediatric): 2mL aliquot from total 24 hour collection
Methodology: Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Components: Arsenic, 24 Hr, U; Arsenic Concentration; Total Volume; Collection Duration
Turnaround Time: 3 days
Special Handling: Patient Preparation: Patient should not eat seafood for a 48-hour period prior to start of collection. 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. Collection: 1. Collect urine for 24 hour in a Clean, plastic urine jug with no metal cap or glued insert. 2. Refrigerate specimen within 4 hours of completion of 24-hour collection. 3. Toluene, 6N HCl or 50% Acetic Acid are the only acceptable preservative additives. Also accepted frozen. Transport Temperature: Refrigerated.
CPT Codes: 82175
Causes For Rejection: Non-24 hour collections; Specimens in preservative other than those listed
Department: Sendouts
Performing Lab: Mayo Medical Laboratories
Sendout Lab Test Code: ASU