Test Code UUREA Urea Nitrogen Urine, Random LAB748
Test Method
Enzymatic-Conductivity Rate Method; Beckman DXC600
Specimen Requirement
0.5 mL urine is required.
Additional Specimen Collection Information
Collect a random urine specimen in a sterile container. No
preservative is required. Label the specimen appropriately with
two
identifiers, patient name and another identifier, (patient ID
number, DOB, etc.) include date and time of collection. Store
the
urine specimen refrigerated and transport to the lab within 48
hours.
Reference Values
Reference values are not established for random urine
specimens.
Results are subject to interpretation by the clinician.
Performance
Testing is performed Monday through Sunday.
Typically completed within 4 hours
Useful For
Assessment of protein intake and/or nitrogen balance
LOINC Code Information
2665-8 Nitrogen [Mass/Time] In Urine
CPT Code Information
84540 Chemistry: Urea Nitrogen; Urine