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Urea Nitrogen, Fluid

Test Code
LAB2032


Alias/See Also
BUN, Body Fluid; Blood Urea Nitrogen, Body Fluids


CPT Codes
84540

Preferred Specimen
1 ml (600 ul minimum) fluid in sterile container


Minimum Volume
1 ml (200 ul minimum) fluid


Instructions
Indicate source on test request. Physician's order must accompany specimen.


Transport Temperature
Room temp


Specimen Stability
Separated from cellular material: 24 hours room temp, 5 days refrigerated


Methodology
Enzymatic conductivity rate

Setup Schedule
Mon- Sun


Reference Range
No established normal range.


Clinical Significance
Measurements of urea nitrogen are used in the diagnosis and treatment of certain renal and metabolic disorders


Performing Laboratory
Piedmont Athens Regional



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.