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Epic Test Code LAB21003 Urea Nitrogen: Body Fluid

Performing Location(s)

BMC

Specimen Type

Body Fluid

Preferred Container

Red top tube

Alternate Container

Green top tube

Minimum Volume to Submit for Testing

0.5 mL Body Fluid

  • Multiple test can be performed from this volume. For question please contact the lab at 547-3975.  

Storage Requirements

Specimens not delivered to laboratory within 1 hour should be refrigerated.

See Causes of Rejection for temperature requirements.

Transportation Needs

Deliver specimen to the laboratory within 1 hour of collection. If not possible see “Storage Requirements”

Causes for Rejection

Mislabeled or unlabeled specimen

Specimen too viscous to analyze or clotted

Specimen frozen

Collected in wrong tube

> 2 hours at Room Temperature

> 4 days Refrigerated

Limitations

This method reacts quantitatively within ammonium ions

Reference Values

Population Units

Reference Range
All Populations mg/dL Not established

 

Days of Analysis

All

Available STAT

Yes

Includes

Fluid type and total volume indicated on report if provided on the requisition.

Methodology

Beckman AU/Dx Series

CPT Code

84520

Last Updated

29-July-19