RENAL STONE PROFILE, URINE ONLY
Timed Urines: Urine Calcium, Urine Uric Acid, Urine Magnesium, Urine Creatinine, Urine Urea Nitrogen, Urine Sodium, Urine Oxalate, Urine Citrate, Urine Calcium/Creatinine excretion ratio
Specimen Collection Requirements
Patient should avoid ingestion of vitamin C prior to collection (Oxalate).
Refrigerate urine specimen during collection. To properly aliquot sample: 1) Thoroughly mix entire urine collection in one container; 2) Remove 20.0-30.0 mL aliquot. Record total volume of 12 or 24 hour urine and urine collection time interval.
Specimens exposed to ambient temperature (20-25°C) for greater than 4 hours.
Urine (unpreserved): Ambient (20-25°C): 4 hours; Refrigerated (2-8°C): 6 days; Frozen (at or below -20°C): 1 month
LEGACY: 7 days/week, Urine Oxalate (ARUP): Mon - Fri, Urine Citrate (ARUP): 7 days/week
LEGACY: 24 hours, ARUP: 1-4 days
Urine Oxalate (20482), Urine Citrate (20852)
Legacy Referral Department will adjust the pH to 1.5-2 with 6M HCl for ARUP Labs (Urine Oxalate and Urine Citrate). Send urine refrigerated.
U Calcium: 82340, U Citric Acid: 82507, U Creatinine: 82570, U Magnesium: 83735, U Oxalate: 83945, U Sodium: 84300, U Urea: 84540, U Uric Acid: 84560
Wednesday, February 7, 2018 01:32:28 PM
Client Services: 503-413-1234