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Dr. Betina Chandolia
BDS, MDS - Oral Pathology and Microbiology
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Dr. Ashish Ranjan
MBBS, MD (Pharmacology)
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Absolute Lymphocyte Count

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This test is for
Male, Female
Test Preparation
  1. No special preparation required


What is Absolute Lymphocyte Count?

An Absolute Lymphocyte Count test is used to measure the level of white blood cells (Lymphocytes) in the blood. White blood cells are formed in the bone marrow. These are the armies that are a part of the immune system and protect the body from infection. A change in the level of lymphocytes could be due to an infection, during or after an illness. Conditions such as bacterial infections, viral infections, autoimmune disorders, and cancer cause abnormalities in the level of lymphocytes.

The normal range for lymphocytes is 4,500 to 11,000 WBC (White Blood Cells) per microliter. WBC count higher than the normal range could point to either an infection or a disease. A count lower than the normal range could indicate vitamin deficiencies, lupus, or rheumatoid arthritis.

Answers to Patient Concerns & Frequently Asked Questions (FAQs) about Absolute Lymphocyte Count

Frequently Asked Questions about Absolute Lymphocyte Count

Q. Why is an ALC test important?
An ALC test is an important marker of your immune system functioning. Changes in ALC can indicate a wide range of health conditions such as infections, autoimmune disorders, immunodeficiency syndromes, etc.
Q. How is an ALC test done?
AN ALC test is done using a sample of blood that is withdrawn from a patient’s vein. The blood sample is collected in a vial and sent to the lab for analysis.
Q. Is there any risk associated with an ALC test?
There is no risk associated with this test. However, as a needle is used to prick and take out your blood sample, you may experience bleeding, swelling, or blood collection under the skin, which is usually self-limiting.
Q. What does a high ALC in blood tests mean?
High ALC may indicate the presence of an infection or other significant illnesses.
Q. What does a low ALC in blood tests mean?
Low ALC may indicate that your immune system is working at a suboptimal level.
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