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
EDTA plasma
Immediately following collection, thoroughly mix sample by gently inverting 5 times
Gold:
- Allow sample to clot for a minimum of 30 minutes
- Spin within two (2) hours of sample collection
EDTA:
- Spin and aliquot plasma into pour off tube
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