Electrolytes Test - 𝗕𝗼𝗼𝗸 𝗘𝗹𝗲𝗰𝘁𝗿𝗼𝗹𝘆𝘁𝗲𝘀 𝗣𝗮𝗻𝗲𝗹 𝗧𝗲𝘀𝘁 at Affordable Price/Cost | Metropolis Healthcare
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Electrolytes Serum Test

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Electrolytes Test Overview

Electrolytes are minerals found in the blood, urine and other body fluids. Electrolytes play an important role in maintaining the fluid levels in the body, maintaining the acid base balance, monitoring the blood pressure and cardiac rhythm, smooth functioning of the muscles and the nerves and also in the overall functioning of the lungs and the kidneys. An electrolyte test is a blood test used to measure the levels of electrolytes in the blood.

An electrolytes serum test is a blood test used to measure the amount of important electrolytes in the blood. Some conditions such as dehydration, kidney disorders, and cardiovascular disease can lead to electrolyte loss, and the levels may get too low or too high. This condition is known as electrolyte imbalance.

CREATED BY : Dr.Shibani R Medical Writer Medical Affairs


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Electrolytes Serum Test Price

Metropolis Healthcare is a leading diagnostics centre and pathology lab in India equipped with the latest state-of-the-art technologies that provides the Electrolytes Serum Test with a clear pricing structure.

The Electrolytes Serum Test Price in Mumbai is ₹ 525 .

We are committed to deliver accurate and quality results from the best labs in India with complete transparency regarding test cost and turnaround time. No matter where you are, we strive to offer patients high-quality service that is affordable and accessible.

Frequently Asked Questions

The electrolyte test is used to measure the amount of electrolytes in the blood. It is mainly done in cases of suspected fluid loss or acid-base imbalances like severe dehydration, burns , cancer etc. It is also done in known cases of lung diseases, cardiac impairments and renal diseases where the electrolyte levels may be affected.

An electrolytes serum test is done to check the levels of seven different electrolytes present in our blood. Electrolytes refer to minerals and salts such as potassium, sodium, bicarbonate, and chloride. Electrolytes are responsible for conducting electric impulses in our body. An electrolytes serum test is often done during routine physical examinations. Besides this, your doctor may prescribe an electrolytes serum test if you are prescribed medications such as ACE inhibitors or diuretics.


  1. An electrolytes serum test may also be done to check whether there is an acid-base imbalance in our body.
  2. It can also be done to monitor how well a treatment for imbalance is working.

Our doctor may prescribe an electrolytes serum test if we are exhibiting symptoms that show that we may have a deficiency of electrolytes in our blood. The symptoms to watch out for include:


  • Vomiting and nausea.
  • Weakness.
  • Confusion.
  • Irregular heartbeat.


Electrolyte test is a blood test measuring the electrolyte levels. The sodium, potassium, and chloride levels are mainly measured under it.

During a electrolytes test, a health care professional will take a blood sample from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial. You may feel a little sting when the needle goes in or out. This usually takes less than five minutes.

An electrolytes serum test is just like a simple blood draw. The phlebotomist will take a blood sample from a vein in your arm and store it to be tested in a lab later.

Results show the levels for individual electrolytes and how it affects the various body systems. The electrolytes level maybe low in cases of severe dehydration, burns, cancers, kidney diseases, cardiac abnormalities, acidosis [ excess accumulation of acids in the body fluids] or alkalosis [ too much of bases in the blood]. Certain medications or severe vomiting may also affect the electrolyte levels in the blood. A few medical conditions may also lead to electrolyte overload leading to abnormally high electrolyte levels.

Typically, fasting is not required for an electrolytes serum test. However, our healthcare provider may ask us to fast if the doctor has prescribed additional blood tests such as blood sugar or cholesterol along with the electrolytes blood test.

To prepare for your electrolytes serum test, follow the below-mentioned steps:

    • Stay hydrated: Drinks lots of water before taking the test to ensure easier blood extraction.

Avoid nicotine: Make sure not to smoke or vape before a blood draw because it can constrict blood vessels, making the blood draw more difficult

Just like any other blood test, the electrolytes serum test carries little risk. You may experience a slight drop in your blood pressure after the blood draw, which can make you feel nauseous or dizzy. Let your provider know if you are feeling unwell.

The normal range of electrolytes that are present in our blood is:

    • Potassium: 3.7 to 5.1 mmol/L.
    • Sodium: 136 to 144 mmol/L.
    • Chloride: 97 to 105 mmol/L.
    • Calcium: 8.5 to 10.2 mg/dL in adults.
    • Magnesium: 1.7 to 2.2 mg/dL.
    • Bicarbonate: 22 to 30 mmol/L.
    • Phosphate: 2.5 to 4.8 mg/dL.

The results of our electrolytes serum test show a reading below or above the normal, and it does not necessarily mean that there is a serious problem that requires treatment. Your doctor may prescribe you certain additional tests depending on your pretexting health conditions and other symptoms you may be experiencing.

The other tests your healthcare professional may order include:

    • Anion gap test: This test uses the results obtained from the electrolytes serum test to measure the gap/difference between electrolytes with a positive charge and those with a negative charge. An excessively low or high gap may indicate a problem with certain organs such as kidneys and lungs.
    • Blood gas test: This test is used to measure the levels of acidity, carbon dioxide, and oxygen in our blood. Its results can help pinpoint the exact cause behind an acid-base imbalance in our body, such as a kidney or lung disorder.

The results of an electrolytes serum test will show the levels of each of the electrolytes present in our blood. Abnormal results may be caused because of a variety of reasons, such as:

    • Dehydration.
    • Kidney disease.
    • Heart disease.
    • Diabetes.
    • Acidosis.
    • Alkalosis.

Your specific result will vary depending on the particular electrolyte that is affected. It will also help the healthcare professional understand whether the levels are too high, too low, or normal. If your electrolyte levels are not within the normal range, it does not mean that you have a medical issue requiring treatment. Several different factors may affect these levels such as excessive intake of fluids or loss of fluids because of diarrhea or vomiting. Certain medications such as blood pressure medicines and antacids may also result in abnormal results.

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