10 ml of 24 Hours Urine Sterile in Screw Capped Container with 2 mL of 6N HCl to maintain pH below 3.
Preparations Required
24 hour Urine should be collected in mug and transferred to relevant Urine container with 10 ml of conc HCL as preservative. 20 ml of aliqout to be send to lab in refrigerated condition along with clinical history and mention Urine volume of 24 Hr collected sample for calculation purpose. Time of collection, start time to end time and exclude first urine sample and include last voided urine sample.Patients should refrain from taking excessive amounts of Vitamin C rich food for at least 48 hours prior to urine collection.