URINE SODIUM

• 24 Hour Urine Na

24 Hour Urine Collection procedure:

1. Void at the beginning of the collection period and discard the specimen.
2. Collect all urine including the final specimen voided at the end of the collection period.
3. Keep specimen on ice during collection.
4. Label the bottle with patient name and date & time collection started and ended.

• Used in determining the integrity of tubular re absorptive function
• Used to distinguish between various forms of renal failure and classifying hyponatremia
• Used to help determine the cause of an abnormal sodium blood level

60mL aliquot of the whole 24hr urine sample is acceptable.

Clean plastic container

40.00-220.00 mmol/24Hr (40.00-220.00 mg/24Hr)