| Methodology: |
Chemiluminescent Immunoassay
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| Performed: |
Sun-Sat
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| Reported: |
Within 24 hours
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| Specimen Required: |
Patient Prep: First void the urinary bladder, then drink a large glass of water and collect a urine specimen within 1 hour.
Collect: Random urine.
Storage/Transport Temperature: One 4 mL aliquot from a well-mixed random collection, frozen. (Min: 1 mL) Submit specimen in an ARUP Standard Transport Tube.
Remarks: If pH is > 8, lower pH to 6-8 by adding 1M HCL. If pH < 6, increase pH to 6-8 by adding 5% NaOH. Titrate with appropriate preservative until pH of 6-8 has been reached. Please record the pH on the transport tube and test request form. For random collection, have patient empty bladder, drink a large glass of water, then collect a urine specimen within 1 hour.
Stability (collection to initiation of testing): Ambient: 8 hours; Refrigerated: 2 days; Frozen: 2 months
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