Oxalate, Urine OXALUR
Method(s) | Quantitative Spectrophotometry | |||||||||||||||||||||||||||||||
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Collect | 24-hour urine. Refrigerate during collection. Reference intervals for random urine samples are not available. |
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Transport | CRITICAL FROZEN. |
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Remarks | 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). |
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Stability | Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month |
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Schedule | Mon-Fri | |||||||||||||||||||||||||||||||
Billing Code | 5010128 | |||||||||||||||||||||||||||||||
CPTCode | 83945 | |||||||||||||||||||||||||||||||
Notes | 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. |
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Preferred Specimen Collection Device(s) | ||||||||||||||||||||||||||||||||
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