Fractionated excretion of urea-12511
Test info
Fractionated excretion of urea
12511
LAB12511
UAX
FUrea
Specimen
Urine, random collection and Lithium heparin (Li hep) plasma
Urine:
Screw cap plastic container (non sterile)
Lithium heparin plasma:
Lt green plasma separator (PST)
Urine - 10 mL
Lithium heparin plasma - 1.0 mL
Lithium heparin plasma - 1.0 mL
- Collect blood sample within 2 hours of urine collection
- Immediatley following blood collection, mix the sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting
Urine, random and Serum
Gold serum separator (SST) tube:
Immediately following collection, thoroughly mix sample by gently inverting 5 times
Gold serum separator (SST) tube:
- Allow sample to clot for a minimum of 30 minutes
- Spin within two (2) hours of sample collection
Urine:
Refrigerated (preferred) - 6 days
Ambient - 2 days
Frozen - 1 month
Blood:
Refrigerated (preferred) - 7 days
Ambient - 7 days
Frozen - 3 months
- Improper labels (unlabeled or mislabeled)
- Hemolysis (some procedures)
- Improper anticoagulant or ratio
- Delay in transport
- Improper storage temperature affecting results
- Inappropriate timing of collection
- Improper container
- Leaking container resulting in compromised specimen
- Quantity not sufficient (QNS)
Performance
AHL - Chemistry: C
Daily
1 day
Enzymatic (Urease)
Kinetic - Jaffe (Alkaline picrate)
Kinetic - Jaffe (Alkaline picrate)
Clinical and Interpretive info
See report
Billing
82565
82570
84520
84540
82570
84520
84540
Tracking
04/27/2017
05/02/2024
01/11/2024