Sign in →

Test Code UUREA Urea Nitrogen Urine, Random LAB748

Performing Laboratory

UnityPoint The Finley Hospital

Test Method

Kinetic test with urease and glutamate dehydrogenase; Roche cobas Pro.

Performance

Testing is performed Monday through Sunday.

Typically completed within 4 hours

Specimen Requirement

0.5 mL urine is required.

Useful For

Assessment of protein intake and/or nitrogen balance; Roche Cobas Pro.

Reference Values

Reference values are not established for random urine specimens.
Results are subject to interpretation by the clinician.

CPT Code Information

84540 Chemistry: Urea Nitrogen; Urine

LOINC Code Information

2665-8 Nitrogen [Mass/Time] In Urine

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.