Description
Indications
Increased urinary urea or urea nitrogen is found in increased dietary protein intake, hyperthyroidism and after surgery. Urea is decreased in liver disease, renal damage and insufficiency, toxaemia and convalescence. In addition, low urinary urea levels are found in normal children and infants, during pregnancy and with low protein/high carbohydrate diet.
Sample Type, Quantity & Conditions
5 ml of 24 Hrs Urine Collection Stability: 2 Days at 15-25 °C 7 Days at 2-8 °C 1 Month at (-15)-(-25) °C
Special Precautions
Collect without using preservatives. State 24 Hrs urine volume.
Normal Range
25.7-42.9 g/24 Hrs 428-714 mmol/24 Hrs