Oxalate, Urine OXALUR
24-hour urine. Refrigerate during collection. Reference intervals for random urine samples are not available.
SPECIMEN PREPARATION: Thoroughly mix entire collection (24-hour) in one container. Freeze specimens immediately after aliquoting. Do not exceed 4 mL in tubes. Preserved: Transfer 4 mL aliquot to an ARUP Transport Tube with 20 mg Sulfamic Acid (ARUP Supply #48098). Available on line through eSupply using ARUP Connect or contact ARUP Client Services at (800) 522-2787. Mix well (Min: 1.5 mL). Unpreserved: If the collection tube with Sulfamic Acid is not available, transport a 4 mL unadjusted aliquot of urine (Min: 1.5 mL).
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month
Record total volume and collection time interval on transport tube and test request form. This information is required for test interpretation. Patient should avoid vitamin C supplements for at least 48 hours prior to the start of urine collection and abstain until collection is complete.
|Preferred Specimen Collection Device(s)|