UREA NITROGEN URINE RANDOM
UREA NITROGEN URINE 24 HOUR
Looking to order a test?
We’ve provided helpful links to make ordering easy.Find a Requisition
All specimens should be accompanied by a requisition.Submitting Specimens
Learn about how to properly label and where to ship specimens.Order Kits and Supplies
MLabs provides all the supplies necessary for the collection of specimens.Test FAQ
Visit our provider FAQ and learn about common questions to ordering tests.
Renal function test
10 - 15 g/24 hrs (167-250 mMol/24 hrs). Random urine collections are reported in units of mg/dL, for which reference values are not established.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
24 hour urine collection or random sample. Refrigerate the specimen as it is collected. Specify 24 hour specimen collection. Container MUST be labeled with date and time collection started and finished. Instruct the patient to void at 8:00am and discard the specimen. Then collect all the urine including the final specimen voided at the end of the 24 hour collection period, i.e., 8:00am the next morning. Screw the lid on securely. Transport the specimen promptly to the laboratory. Refrigerate during collection.
Collect 24 hour urine specimen with no preservative. Aliquot 10 ml into a plastic urine container and refrigerate. Record total 24 hour urine volume and collection dates/times on request form. Random urine also acceptable.