Blood urea nitrogen (BUN)-52

Test info

  
Blood urea nitrogen (BUN)
  
52
  
84520.1
  
BUN

Specimen

  
Lithium heparin (Li hep) plasma
  
  
1.0 mL
  
0.2 mL
  

Immediately after collection, mix tube thoroughly by gentle inversion, 8 - 10 times, to prevent clotting

  

Spin within two (2) hours of sample collection

  

Lt green plasma separator (PST)

 

  
Serum
EDTA plasma
  
  

Immediately following collection, thoroughly mix sample by gently inverting 5 times

 

 

  

Gold:

  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within two (2) hours of sample collection

EDTA:

  1. Spin and aliquot plasma into pour off tube
  

Gold serum separator (SST) tube

False bottom plasma/serum transport vial/tube (AHL)

  

Refrigerated (preferred) - 7 days

Ambient - 7 days

Frozen - 1 year

  
  • Improper labels (unlabeled or mislabeled)
  • Hemolysis (some procedures)
  • Improper anticoagulant or ratio
  • Delay in transport
  • Improper storage temperature affecting results
  • Improper container
  • Leaking container resulting in compromised specimen
  • Quantity not sufficient (QNS)

Performance

  
AHL - Chemistry: C
  
Daily
  
1 day
  

Enzymatic Urease

Clinical and Interpretive info

  

0 - 1 yr:  4 - 19 mg/dL

1- 18 yr:  5 - 18 mg/dL

18 - 60yr:  6 - 20 mg/dL

60 - 90yr:  8 - 23 mg/dL

 

Billing

  
84520

Tracking

  
11/30/2001
  
12/22/2022
  
01/04/2024