Epic Code LAB1230092 Urea Nitrogen Clearance, Urea Nitrogen Serum
Test Name Alias
Urea Nitrogen ser urclear | LAB2111177 | 9118 | UUN
Interface Order Alias
1230092
Quick Collect
24H/NP/R
Specimen Requirements
Submit only one of the following specimens:
Preferred
Specimen Type: Plasma
Container/Tube: Mint Green Top (Lithium Heparin Gel)
Volume: 4.5 mL
Minimum volume: 0.5 mL plasma
Collection Instructions: Centrifuge within 2 hours
Acceptable
Specimen Type: Serum
Container/Tube: Gold Top (Serum Separator-SST Gel)
Volume: 5 mL
Minimum volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
Specimen Transport Temperature
Refrigerate
Special Instructions
This test to be used with 24 hour Urea Nitrogen Clearance only when plasma/serum urea nitrogen is not already included in an accompanying panel
Specimen Stability
Ambient: 8 hours
Refrigerate: 72 hours
Frozen: aliquot plasma/serum for longer storage
Laboratory Retention: 72 hours
Test Frequency
Available daily, usual TAT 1 day
Reference Range
0 up to 3 Months: 4 - 16 mg/dL
3 Months up to16 Years: 6 – 18 mg/dL
16 Years up to 150 Years: 8 – 20 mg/dL
Performing Department
Chemistry
Performing Department Laboratory Location
Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Pennock Laboratory, Hastings, MI
Methodology
Urease/Glutamate Dehydrogenase (GLDH)
CPT
84520
84545
CDM Code
3018452001
3018454501
Epic Test ID
1230101255,
1230101257
LOINC
Urea Nitrogen: 3094-0
Reviewed Date
3/7/2024