Urea, urine
Clinical Background:
Urine urea is only occasionally of value in the assessment of nitrogen balance in patients receiving parenteral nutrition, or in selected patients with non-oliguric acute or chronic renal failure.
U...
Urine urea is only occasionally of value in the assessment of nitrogen balance in patients receiving parenteral nutrition, or in selected patients with non-oliguric acute or chronic renal failure.
Urine urea may also be of value on a random specimen, in the presence of oliguria, to assess renal function.
Test Details
-
Discipline:
Biochemistry
Biochemistry
-
Specimen Container Adult:
Plain universal container (random urine sample), or plain bottle (24 hour urine collection)
Plain universal container (random urine sample), or plain bottle (24 hour urine collection)
-
Specimen Container Paediatric:
Plain universal container (random urine sample)
Plain universal container (random urine sample)
-
Minimum Volume Adult:
1 mL urine
1 mL urine
-
Minimum Volume Paediatric:
1 mL urine
1 mL urine
-
Sample Stability:
2 days at 15-25C
7 days at 2-8C
4 weeks at -20C
2 days at 15-25C
7 days at 2-8C
4 weeks at -20C
-
Reference Ranges:
Adult 24 hour collection: 430 - 710 mmol/24h
Adult 24 hour collection: 430 - 710 mmol/24h
-
Routine Contact Name:
Duty Biochemist
-
Routine Telephone:
Freeman: 0191 244 8889
RVI: 0191 282 9719Freeman: 0191 244 8889
RVI: 0191 282 9719 -
Routine Email: