Total Leukocyte Count (TLC) is used for calculating leukocytes or white blood cells (WBC) in your body. It is a blood test. White blood cells help us to combat several infections and diseases. Leukocytes are made in the bone marrow and then released in the blood.
Our blood consists of WBCs, Red Blood Cells (RBCs), and platelets. All of these perform their own specific functions. WBCs or leukocytes are further divided into 5 categories: Monocytes, Lymphocytes, Neutrophils, Basophils, Eosinophils.
You may be advised a TLC test at any age by your doctor, and there can be various reasons for it. Read on to understand all about the TLC test in Delhi, including its test price and cost, preparation, test results, procedure, side effects, etc.
Leukocytes protect us from various viruses, bacteria, and pathogens. Thus, when your body is unable to fight against these, the TLC test is conducted, to measure the count of leukocytes.
TLC test measures the levels of leukocytes or white blood cells present in your bloodstream. Their levels or ranges are divided into three categories, based on age:
|Age Range||WBC Count (per mcL of blood)|
|Infants||8900 – 30000|
|Kids under 2||6100 – 17500|
|Kids over 2 & adults||5000 – 11000|
The below table shows different types of WBCs and their normal percentage of overall WBC count:
|Type of Leukocytes or WBCs||Normal percent of overall WBC count|
|Basophil||0.5 to 1|
|Monocyte||2 to 8|
|Eosinophil||1 to 4|
|Lymphocyte||21 to 40|
|Neutrophil||55 to 74|
Depending on your TLC test results, the doctor will examine the illness and the course of treatment that should be followed.
There are usually no side effects or risks associated with a TLC test. However, you might feel some pain for a few days in the area from where the blood will be taken using a needle. You can cover the same area with a bandaid to prevent infections from developing. Avoid lifting bulky items for a few hours after the TLC test.
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The TLC test is usually a part of the complete blood count (CBC) test. It is performed when you develop the following symptoms:
There are usually no guidelines to be followed before going for a TLC test. However, if your blood sample will be used for other tests besides CBC or TLC, you will be informed about the things you need to keep in mind by your doctor.
TLC test is performed by collecting your blood sample from your vein using an injection. It can be done either at a hospital, laboratory, or clinic. Home collection services are also available.
Your doctor will examine your TLC test results. However, you should also keep a few things in mind for interpreting your test results.
The table highlights the normal range of leukocytes or white blood cells (WBCs) with its components that should be present in an adult body (18+ years old).
If your TLC test results show that these leukocytes are present in an abnormal range, chances are that you might be having an underlying illness. For instance, if neutrophils are released in an excessive amount, you might be having some bacterial infection. Similarly, an elevated number of eosinophils indicate some allergic reaction. Increase in the number of lymphocytes may signify some viral infections. By examining all these, the healthcare worker will provide a proper treatment.
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