Electrolytes
Potassium, Serum
About
Potassium, blood serum. Assesses the body's potassium status and helps detect deficiency or excess.
Preparation
For children under 1 year, do not feed for 30-40 minutes before the test. For children aged 1 to 5 years, do not eat for 2-3 hours before the test. Do not eat for 12 hours before the test; still water is allowed. Do not smoke for 30 minutes before the test.