Electrolytes (Na/K/Cl) Test
- Category
- Electrolytes
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 2 days
- Fasting
- No Fasting
- Age
- 5+ Years
What Is This Test?
Measures sodium, potassium and chloride — the key electrolytes that control fluid balance, nerves, muscles and heart rhythm.
Why this test is performed?
Checks for imbalances due to vomiting, diarrhoea, dehydration, kidney disease, heart failure or medicines such as diuretics and BP tablets.
Who should take this test?
Vomiting, diarrhoea, dehydration, weakness, people on BP medicines or diuretics, kidney or heart conditions.
Test Preparation
No fasting needed.
What's included 3 parameters
Electrolytes (Na/K/Cl) (3)
- Chloride
- Potassium
- Sodium
Medical disclaimer · for information only, not medical advice
This article is for general information and education only. It is not medical advice, does not create a doctor–patient relationship, and is not a substitute for consultation with a qualified doctor who has assessed your individual situation. Never delay seeking medical advice because of something you have read here.
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- Report time: In 2 days
- No fasting
Potassium 24 Hrs Urine Test
Electrolytes
24-hour urine collection in a container provided by the lab (some tests need a preservative)
₹599
₹1,498
60% off
- Report time: In 3 days
- No fasting
Osmolality, Spot Urine Test
Electrolytes
Urine sample — preferably first-morning, mid-stream, in a sterile container
₹860
₹1,697
49% off
- Report time: In 2 days
- No fasting
- Report time: In 2 days
- No fasting
Electrolytes (Na/K/Cl), Spot Urine Test
Electrolytes
Urine sample — preferably first-morning, mid-stream, in a sterile container
₹349
₹1,000
65% off
Frequently asked questions
Yes. Diuretics and some BP medicines (ACE inhibitors, ARBs) can change sodium and potassium, so periodic checks are advised.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Blood sample taken from a vein in your arm.
Usually within 11–35 hours after the sample reaches the lab. You will receive the report online.
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