Urea nitrogen, timed urine

Alphabetical Test listing

Urea nitrogen, timed urine-264

  
Urea nitrogen, timed urine
  
264
  
84540.0
  
UUN
  
Urine, 24 hr
  
8mL aliquot from a 24 hr collection
  
  
  1. Measure and record the total urine volume on request and/or aliquot tube.
  2. Mix well
  3. Tranfer an 8.0 mL mixed aliquot in a Urine aliquot transport vial/tube - 10mL (AHL)
  

24 hr urine collection container, no additive

  

Refrigerated (preferred) - 7 days

Ambient - 2 days

Frozen - 1 month

  
  • Improper labels (unlabeled or mislabeled)
  • Delay in transport
  • Improper storage temperature affecting results
  • Inappropriate timing of collection
  • Improper container
  • Leaking container resulting in compromised specimen
  • Quantity not sufficient (QNS)
  
AHL - Chemistry: C
  
Daily
  
1 day
  

Enzymatic (Urease)

  

12.0 - 20.0 g/24 hrs

  
84540
  
11/30/2001
  
02/18/2020
  
02/17/2020