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Laboratory Test Detail

Last Updated: May 31, 2020 @ 9:13 am

91176

Oxalate, Urine

Specimen:Collect:
  • Timed Urine in Timed Urine Container

Also Acceptable:
  • Random Urine in NONE
Submit:
  • 4 mL (Min:2 mL) Aliquot(s) Timed Urine in Sterile Specimen Container. Submit Refrigerated.

Also Acceptable:
  • 4 mL (Min:2 mL) Random Urine in Sterile Specimen Container. Submit Refrigerated.
Special Handling:
  • 24 HR Urine Collection Preferred
  • Keep Specimen Refrigerated During Collection
  • State Collection Time
  • State Volume
  • Patient Prep: Patient should avoid ingestion of vitamin C prior to collection.
    Thoroughly mix entire collection (24-hour or random) in one container.
    Specimen Preparation: Thoroughly mix entire collection (24-hour or random) in one container. Transfer 4 mL aliquot from the well-mixed 24-hour urine collection to an ARUP Transport Tube with 20 mg Sulfamic Acid (ARUP supply #48098). Mix well. (Min: 1.5 mL) Record total volume and collection time interval on transport tube and test request form. This information is required for test interpretation. If the collection tube with Sulfamic Acid is not available, transport a 4 mL unadjusted aliquot of urine. Freeze specimens immediately after aliquoting. Do not exceed 4 mL in tubes.
Rejection Criteria:
  • Specimens with no preservative or with a pH greater than 4.
Stability:Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 Month(s); Incubated: Unacceptable
Methodology:
  • Quantitative Spectrophotometry
Performed:Mon-Fri
Reported:2-5 Day(s)
CPT Codes:
  • 83945
Interpretive Data:Please see report for interpretive data.
Components:
  • 93016 - OXALATE, URINE
  • 93018 - OXALATE, URINE
  • 93008 - CREAT, UR
  • 93009 - CREATININE
  • 93388 - URINE VOLUME
  • 93518 - HOURS COLLECTED
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