HomeblogsHealth-and-wellnessA Guide To Chloride Blood Test - Procedure, Purpose, And Risk

A Guide To Chloride Blood Test – Procedure, Purpose, And Risk

A chloride blood test measures the chloride levels in the blood. Chloride is a vital electrolyte, playing its part in enabling better body fluid control and balancing bases and acids simultaneously. It maintains the pH balance in the body and the CL blood test takes place for measuring not just chloride but other electrolytes.

chloride test

This test is done for the diagnosis and tracking of health conditions liake heart failures, kidney ailments, high blood pressure, and liver diseases. The other names for a chloride blood test include Serum Chloride and CI.

Name of Test Chloride Blood Test
Also known as  Serum Chloride, CI Test
Purpose of Test Finding chloride levels in the body 
Symptoms Diarrhea, Vomiting, Weakness, Dehydration, Fatigue
Test Procedure Blood sample collection through a needle
Cost Rs. 155- 470 depending the city and lab
Also Included in  Health Insurance Plans


Why is a Chloride Blood Test necessary? 

The chloride blood test is mostly part of the regular blood tests done by people for checking overall health levels and conditions. If there are normal chloride levels, then you need not worry about anything. However, anything amiss will necessitate further testing and treatment. It is also helpful in the diagnosis of ailments/issues that are linked to fluid or acid imbalances within the body.

When is this blood test required? 

The doctor may have asked for a chloride blood test as a part of the overall electrolyte panel which is a routine procedure. This is a testing procedure that helps in measuring chloride and electrolytes such as sodium, potassium and also bicarbonate. You may also require this blood test in case of any symptoms of fluid or acid imbalances. These include vomiting for a lengthy duration, weakness, diarrhea, breathing trouble, dehydration and fatigue to name a few.

Chloride Blood Test Procedure

Doctors will gather blood samples from the arm with the help of a tiny needle. After the insertion of the same, a small blood amount will be collected into a vial or test tube. You may feel a pinching or stinging sensation upon the needle going into the arm or coming out of it. The entire procedure will usually require just a few minutes. 

Is any specific preparation required for the chloride blood test? 

No specific preparation is necessary for getting this blood test done or even the electrolyte panel. If the doctor has already asked for other types of blood tests, then you may have to fast (without drinking or eating) for a few hours beforehand. The doctor will always recommend specific instructions to you at all times. 

Risk Factors Involved 

There are negligible risk factors for getting these tests done. You may only experience some bruising or pain at the site of the injection. The symptoms usually disappear on their own after some time. There are no other risk factors to consider in this scenario. 

Decoding the Test Results

Chloride figures may not always be in the normal threshold. The higher levels may indicate kidney ailments, dehydration, metabolic acidosis or an ailment where there is excessive acid within the blood. It may lead to vomiting, nausea, and even fatigue. Lower chloride levels may also indicate lung ailments, heart failures, and the Addison disease, a problem where the adrenal glands of the body do not generate sufficient varieties of hormones. It may lead to diverse symptoms like dizziness, weakness, dehydration and weight loss. 

Metabolic alkalosis is another ailment where there is excessive base within the blood. It may lead to twitching of the muscles, irritability, and a tingling sensation in the toes and fingers. If the chloride levels are not at normal, then it is not always an indicator of any medical issues which requires prompt treatment. Many aspects may impact the overall levels of chloride including drinking excessive fluids or losing fluids owing to diarrhea or vomiting in some cases as well. There are specific types of medicines like antacids that may also lead to erroneous results at the same time. You should always consult your doctor regarding the same. 


You should remember that some amount of chloride is also contained in the urine. The doctor may recommend the urine chloride testing procedure for getting more data on the levels of chloride in the blood. Overall, it is a simple and hassle-free procedure that you need not worry about or prepare for in advance. You only have to adhere to the doctor’s recommendations about fasting before the test and so on. 


What is meant by medical alkalosis in your chloride test results? 

Medical alkalosis is a condition where there is high base in the blood. It may be unearthed in the chloride blood test results. The condition may lead to issues like irritability, a twitching feeling of the muscles, and tingling sensations in the fingers and toes. 

What does a higher chloride level indicate? 

A higher level of chloride in the blood, as discovered by the chloride test, may indicate several things. These include possible dehydration or kidney diseases of the individual. They may also indicate the presence of excessive acid in the bloodstream or what is known as metabolic acidosis. 

What does a lower chloride level indicate? 

A lower level than the normal indicates several things as well. It may indicate diseases of the lungs along with possible heart failure. It may also indicate Addison disease, an issue where the adrenal glands in the body do not churn out suitable hormone varieties/types. 

Is there any preparation required before getting the chloride test done? 

There is no specific method of preparation necessary before the chloride test in most cases. No such preparation is also necessary for the electrolyte panel. The doctor may recommend fasting for a few hours beforehand if he or she has already sought other blood tests. Get specific instructions from your doctor at all times. 

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