Urea Nitrogen, Timed Urine

Sunquest Code:UBUNT  
Epic Code:LAB3816Epic Name:Urea Nitrogen Timed Urine
Order Instructions:Order UCRT in addition to UBUNT. Enter collection volume and duration.
Methodology:Bichromatic rate
Test Includes:Urine urea nitrogen and creatinine.
Turnaround Time:Performed and reported 24 hours/day.
Associated Links:

Urine Collection Procedure

Collection Instructions

Specimen:Urine, timed collection (20 to 28 hours)
Optimal Volume:Submit entire collection; analysis requires 1 mL
Container:3 L plastic jug
Collection Instructions:IVP dye does not interfere with sample analysis.

Processing and Shipping

Specimen Processing:Mix collection well before aliquot is taken. Centrifuge specimens containing red cells or precipitate. Aliquot 5 mL, 1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Refrigerated - 4 days.
Test Performed at or Referral Lab Chemistry  (Fairview Range - FRMC, UMMC-West Bank, UMMC-East Bank, Fairview Ridges - FRH, Fairview Southdale - FSH)


Reference Range:24 hour collection: Urea Nitrogen: 12-20 g/24 hours.
Use:Evaluate metabolism of urate, including gout and renal stones.

Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 907"