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Labcorp Oklahoma, Inc.
Test Directory


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Urea Nitrogen Serous Fluid

Order Name SRS UREA N
Test Number: 2015800
Revision Date 06/11/2003
Test Name Methodology LOINC Code
Urea Nitrogen Serous Fluid
Urease/GLDH 3093-2 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Serous Fluid Sterile Screwtop Container Refrigerated
Instructions Venous blood is often drawn simultaneously. Note fluid type on requisition and container. Specimen stability: Ambient 8 hours. Refrigerated 7 days.
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 days  
Clinical Use Useful in the diagnosis and treatment of certain renal diseases and metabolic disorders. 
CPT Code(s) 84520
Lab Section Chemistry