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StoneRisk® Diagnostic Profile [442Z]Test Code
82140, 82340, 82507, 82570, 83735, 83945, 83986, 84105, 84133, 84300, 84392, 84560
Calcium, Oxalate, Uric Acid, Citrate, pH, Sodium, Sulfate, Phosphorus, Magnesium, Ammonium, Potassium, Creatinine, Calcium Oxalate, Brushite, Sodium Urate, Struvite, Uric Acid
60 mL plain urine and 60 mL acid urine
30 mL plain urine
30 mL acid urine
Use only Quest 24-hour Urine Collection Kits specific for renal stone formation diagnosis. Follow instructions in the kit.
1) Upon completion of 24-hour collection in the large orange collection container, tighten the cap on the container and mix contents in the container vigorously for one minute. A good mix will ensure accurate test results.
2) Carefully fill the two plastic white vials with urine collected in the large orange container. The two white vials must be filled within two to four hours of completion of 24-hour collection. Fill and cap vials one at a time. Cap both vials tightly, write patient's name on each vial and place in zip-lock bags provided (do not remove absorbent sheets).
3) Complete the patient information section.
4) Place specimen in mail-back box and mail to the laboratory.
DO NOT MAIL LARGE ORANGE COLLECTION CONTAINER.
For high urine output: Patient with a high urine output (>3.8 L) will require more than one large container. Collect urine in the first container until it is 3/4 full and then begin filling the second container to complete the 24-hour collection. Carefully follow steps 1-4 for each jug and mark one as box 1 of 2, the other box 2 of 2.
Note: Urine must only be collected and stored in the large orange collection container.
Do not remove sponge from the orange collection container.
Do not remove wool from the white container.
Do not collect the first urination at the beginning of 24-hour collection.
During collection process, store large orange container in a cool location.
Room temperature: 10 days
Refrigerated: 10 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received frozen • Orange jug
Calculation (CALC) • Immunochemiluminometric Assay (ICMA) • Ion Coupled Plasma/Optical Emission Spectrophotometry (ICP/OES) • Spectrophotometry (SP)
See Laboratory Report
StoneRisk® profile is for stone formers with a positive urine culture indicating urinary tract infection (UTI), also for recurrent stone formers or when attending physician deems it medically necessary for the patient to have comprehensive metabolic evaluation.
Quest Diagnostics Nichols Institute