Urea Nitrogen

Sunquest Code:BUN  
Epic Code:LAB140Epic Name:Urea Nitrogen
Methodology:Bichromatic rate
Turnaround Time:Performed and reported 24 hours/day.

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Green (lithium heparin, gel) (Green (lithium heparin) on ICE, Red (no gel), Red or gold (gel))

Processing and Shipping

Specimen Processing:Aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Stability: Room temperature - 3 to 5 days; refrigerated - 7 days; frozen - indefinitely
Test Performed at or Referral Lab Chemistry  (University of Minnesota Health Maple Grove Clinics, Fairview Range - FRMC, UMMC-West Bank, UMMC-East Bank, Oxboro Bloom, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, M Health Clinic and Surgery Center, Grand Itasca GICH)


Reference Range:
0 - 14 d 3-23 mg/dL
15 d - 11 mo 3-17 mg/dL
1 - 9 y 9-22 mg/dL
10 - 18 y (female) 7-19 mg/dL
10 - 18 y (male) 7-21 mg/dL
19 y and older 7-30 mg/dL
GICH: All ages 7-25 mg/dL  
Use:Indirectly evaluate renal function and hydration.

Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 1195"