| Methodology: |
Quantitative Spectrophotometry
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| Performed: |
Sun-Sat
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| Reported: |
Within 24 hours
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| Specimen Required: |
Collect: 24-hour urine. Specimen must be refrigerated during collection. Also acceptable: Random urine (no reference intervals).
Specimen Preparation: Transfer one 3 mL aliquot to an ARUP Standard Transport Tube. (Min: 0.5 mL) Record total volume and collection time interval on transport tube and test request form. Also acceptable: Specimens previously preserved with 6M HCl, boric acid, or 5% NaOH.
Storage/Transport Temperature: Refrigerated.
Stability (collection to initiation of testing): Ambient: 24 hours; Refrigerated: 4 days; Frozen: 6 months
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