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HelpEpic 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