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HelpEpic Code LAB449 Urea Nitrogen, 24 Hour Urine
Test Name Alias
Urea Nit UR 24 Hr | 8872 | UUN
Interface Order Alias
10664
Quick Collect
24H/NP/R
Specimen Requirements
Specimen Type: Urine, 24-hour collection
Container/Tube: Plastic 24-hour urine jug
Volume: Entire collection
Minimum volume: 10 mL
Collection Instructions:
- No additive.
- Refrigerate specimen during collection.
- Starting and ending times of collection are required.
- Detailed Instructions (link): Patient Collection Instructions
- Detailed Instructions (link): Urine Collection Guide for Staff
Specimen Transport Temperature
Refrigerate
Specimen Stability
Refrigerate: 72 hours
Frozen: acceptable
Laboratory Retention: 72 hours
Test Frequency
Available daily, usual TAT 1-2 days.
Reference Range
12 – 20 gms/24 hrs
Performing Department
Chemistry
Performing Department Laboratory Location
Corewell Health Reference Laboratory, Grand Rapids, MI
Methodology
Urease/Glutamate Dehydrogenase (GLDH)
CPT
84540
CDM Code
3018454002
Epic Test ID
1230101254
LOINC
Hrs Coll UrUreaNitrogen: 13362-9
Volume Ur Urea Nitrogen: 3167-4
UrUreaNitrogen mg per dL: 12967-6
UrUreaNitrogen g per 24hr: 3096-5
Reviewed Date
3/7/2024