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Urea Nitrogen, Urine 24 Hour (Urine Urea Nitrogen 24 Hour)
Test CodeUUN24
Preferred Specimen
1.0mL aliquot from a 24 hour urine collection
Instructions
"Note 24hr. volume before aliquotting. Do not use preservative during 24hr. collection.
Testing Frequency: Daily"
Testing Frequency: Daily"
Transport Temperature
Refrigerate
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: 7 days refrigerated
Methodology
Urease