MedPlus Labs


Code: BC00199

Also known as:


Sample Type: 24HRS URINE


Sodium is an essential mineral that is critical for fluid balance and nerve and muscle function. Body maintains sodium in a tight balance through a variety of mechanisms. Too much sodium can raise your blood pressure. Urinary sodium may be checked when blood sodium is abnormal, to help determine the cause of the problem and to monitor treatment.

Test Instructions

This test requires a 24 hour collection. Empty your bladder completely first thing in the morning and collect urine everytime you go to the toilet for the next 24 hours, including the first time the next morning.

List of Parameters Included

  • 24hrs Urine Volume ( NA )
  • Sodium - Urine (Spot) ( ION SELECTIVE ELECTRODE )
  • Sodium - Urine (24hrs) ( ION SELECTIVE ELECTRODE )

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