Serum Electrolytes
Also known as: Electrolyte Panel, Sodium Potassium Test
Category: BiochemistrySample: BloodReport in: Same Day
Measures key salts in blood that control fluid balance, nerves and muscles.
Why it's done
- Check dehydration
- Monitor kidney and heart patients
What it measures
Sodium, potassium and chloride.
Preparation
No fasting needed.
Normal range
Sodium 135-145 mmol/L; potassium 3.5-5.0 mmol/L
Understanding results
Abnormal levels can cause weakness, confusion or heart rhythm problems.
Related conditions
Ordered by
Frequently asked questions
Why is the Serum Electrolytes test done?
Check dehydration, Monitor kidney and heart patients
How do I prepare for Serum Electrolytes?
No fasting needed.
What is the normal range for Serum Electrolytes?
Sodium 135-145 mmol/L; potassium 3.5-5.0 mmol/L
Medically reviewed by
Medical review pending
Last updated
9 October 2026
Sources
- ICMR standard treatment workflows
- Reference ranges vary by laboratory - always read your report with your doctor
This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.