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UREA NITROGEN , URINE

Test Name  UREA NITROGEN , URINE 
Mnemonic  UUN 
Lab Order Code   
CPT   84545 
Department  Main Lab 
Container  24-hr Urine Container, Urine Collection cup 
Alternative Container   
Handling  Available as random/spot or 24-hr specimen For random/spot: submit 10 ml urine For 24-hr specimen: Collect in 24-hr urine container supplied by the Laboratory No preservative. Patient collection instructions available in the Laboratory. Specimen must be stored refrigrated during collection time. Submit entire volume to the Laboratory for testing. Stability:7 days refrigerated, 1 mo frozen 
Preferred Volume   
Minimum Volume   
Stability   
Reject Criteria   
Component   
Methodology  Methodology:Spectrophotometry 
Units   
Reference Range    
Neonate Reference Range   
Required Information   
Performed   
Reported   Routine 4 hrs 
Note   
LOINC    
Cross References   
Referred Lab   
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