Urea, Plasma

Overview
Department	Biochemistry
Test Code	PUR
Synonyms	BUN
Turnaround Time	1 – 2 hrs
Stability – Add test	24 hrs
Specimen Requirements
Specimen Type	Plasma Serum
Specimen Transportation
Preferred	6 mL Plain Red-Top
Acceptable	4 mL Li-Hep Green-Top
Pediatric Requirements	600 µL Li-Hep Microtainer
Aliquot Requirements
Sample Type
Minimum Volume
Aliquot Transportation
Clinical Information
Reference Intervals	Urea Reference Intervals 1 day – 30 days             1.1  –  6.1 1 mth – 1 yr                   0.7  –  5.0   2 yrs – 3 yrs                   1.1  –  5.0 4 yrs – 6 yrs                   1.1  –  5.7   7 yrs – 9 yrs                   1.4  –  5.7   10 yrs – 12 yrs               1.8  –  6.4 13 + yrs – Adult            3.2  –  7.7
Test Method	ci8200 analyser, Abbott Reagents. Enzymatic Kinetic method.
Advanced Notice	Not required
Patient Preparation	Not required
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