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Laboratory Medicine

Test Directory / Urine Urea

Urine Urea

24 hour container, urine monovette or white topped universal (no additives)

TestUrine Urea
Common AbbreviationsUURE
ProfileUrine Urea and Electrolytes
Tube type24 hour container, urine monovette or white topped universal (no additives)
Clinical IndicationMeasurement of urine urea is useful for the assessment of protein intake and/ or nitrogen balance and in the diagnosis and monitoring of kideny disease. Factors which tend to increase urea excretion include increases in glomerular filtration rate, increased dietary protein intake, protein catabolic conditions, and water diuretic states. Factors which reduce urea excretion include low protein intake and conditions which result in low urine output (eg, dehydration).
Specimen TypeUrine
Sample typeRandom or 24 Hour Urine
Minimum Volume1mL
Special PrecautionsNo special requirements
Stability2 days at 15-25°C and 7 days at 2-8°C
Turnaround TimeInpatient: 6 hours Outpatient/ GP: 24 hours
LaboratoryYork and Scarborough
Reference Interval250 - 570 mmol/24 hours (Quoted by the manufacturer) Reference range for random urine not available. Result should be interpreted in conjunction with serum result.
LimitationsNA
Notes
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