Oxalate – 24 hr Urine
Test Name:Oxalate – 24 hr Urine
Test: Oxalate – 24 hr Urine
Method: Spectrophotometry, Enzymatic
Sample Type: 20 ml. (10 ml. Minimum) Well mixed aliquot of 24 Hour Urine in a sterile, screw capped plastic container.
Instruction: 10 mL aliquot of 24 hrs Urine. Collect urine with 25 mL 50 % of concentrated HCL to maintain pH below 3.For children adjust the volume of acid according to the expected urinary output . Keep urine refrigerated during collection. Mix well before aliquoting. Record body weight & 24 hrs volume on container and test request form.Ship refrigerated of frozen. Avoid vitamin C and citrus fruits 48 hrs prior to a specimen collection
TAT: 7th working day by 7 pm