Test List

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  • Blood Urea Nitrogen (BUN)

    Test Name:Blood Urea Nitrogen (BUN)
    Epic Order Code:LAB140  
    CPT Code:84520  
    Specimen(s) Type:Plasma or Serum
    Acceptable Container(s):
    Testing Schedule:24 hrs/day, 7 days/week
    Turn Around Time:STAT: 1 hour  
     Routine: 2 hours  
    Collection Information:No special patient preparation is required. Obtain specimen by standard collection procedures.
    Transport Information:Deliver to lab immediately. All specimens must be signed into the laboratory.
    Reference Clients:If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove plasma/serum from the red cells. Store and transport at 2-8° C. Specimen must be received in the lab within 24 hours.
    Causes for Rejection:Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport.
    Reference Range:0 - 1 yr:4.0 - 19.0 mg/dL 
     1 - 18 yrs:5.0 - 18.0 mg/dL 
     18 - 60 yrs:6.0 - 20.0 mg/dL 
     > 60 yrs:8.0 - 23.0 mg/dL 
    Additional Information:Test included in BMP, CMP and Renal Panel