Urea Nitrogen, Urine Random 
Mnemonic U UN R
CPT 84540
Test Code 1001210
Synonyms  
Test Includes  
Specimen Urine (Random)
Volume 5.0 mL
Container Plastic Urine Container
Special Instructions  
Specimen Prep  
Storage Refrigerate
Transport Temp Refrigerated
Stability Rm Temp 48 hours
Stability Refrig 7 days
Stability Frozen 1 month
Methodology Urease/GLDH
Rejection Criteria   
Reference Value 800 - 1,666 mg/dL 
Performed/TAT Monday - Sunday        
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