Urea Nitrogen, Urine 24 Hour (Urine Urea Nitrogen 24 Hour)

Test Code
UUN24

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"

Transport Temperature
Refrigerate

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: 7 days refrigerated

Methodology
Urease



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.