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Test Code LAB449 UREA NITROGEN, URINE, 24 HOUR

Important Note

The 24 hour urine sample should be delivered to the lab within 12 hours of collection completion.

For Outside Hospital Clients, submit a 10 mL aliquot from a 24 hour urine collection.  Record the total volume on the lab requisition. 

Additional Codes

Orderable Codes:

Epic Code Atlas Code Mayo Access ID Order LOINC
LAB449 UUN24 FAH5875 12967-6

Result Component(s): 

Reporting Name Epic Code Atlas Code Mayo Access ID Result LOINC
Urea Nitrogen, Urn, Random 12301002222 UUNR FAH5044 3095-7
Urea Nitrogen, Urn, 24hr 12301002221 UUNCAL FAH5046 N/A
Urine Volume 12301000973 VOLUME FAH108 3167-4
Collection Period 12301001313 PERIOD FAH107 N/A

 

Specimen Information

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
Jug A 24 Hour Urine Refrigerate 24 Hour 10 mL 0.5 mL 5 days

 

Test Schedule / Analytical Time / Test Priority

Daily 8 am-4:30 pm / Same day / Not available STAT

Method

Colorimetric

CPT(s)

Description CPT Code
Urea Nitrogen, Urine 84540

 

Instrumentation

Ortho Vitros 5600

Reference Range

All ages: 12 – 20 g/24 Hours

Section

Chemistry-1

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes