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HelpTest Code 24H UUN Urea Nitrogen, 24 Hour, Urine
Methodology
Kinetic Test with Urease and Glutamate Dehydrogenase/NADH to NAD (Nicotinamide Adenine Dinucleotide)
Performing Laboratory
Decatur Morgan Hospital-Decatur Campus/Parkway Campus
Specimen Requirements
Submit an entire 24-hour urine collection in a urine container.
No preservative. Refrigerate specimen during collection, and
send specimen refrigerated.
Note: 1. Starting and ending times
of collection are required on request form for
processing.
2. Follow instructions in “Urine Collection—Decatur” in “Special Instructions.”
Reference Values
9-17 g/24 hours
Test Classification and CPT Coding
81050 - urine timed measurement
84540 - urea nitrogen