Why get tested?
As part of an electrolyte panel to screen for an electrolyte or acid-base imbalance or to monitor a known imbalance

When to get tested?
During a routine physical or as recommended by your doctor if you are experiencing symptoms such as weakness, confusion, prolonged vomiting, or respiratory distress that could indicate an electrolyte imbalance or acidosis or alkalosis

Sample required?
A blood sample drawn from a vein in the arm