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Reference Guide
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CD19+ B Cell Count
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CD19+ B Cell Count
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CD19+ B Cell Count

What's 
CD19+ B Cell Count
?
The CD19+ B Cell Count is a measure of a specific type of white blood cell in your body. These cells, known as B cells, are a vital part of your immune system. They are responsible for producing antibodies, which are proteins that help your body fight off infections and diseases. The "CD19+" part refers to a specific marker on the surface of these cells, which helps identify them. This count gives your healthcare provider a snapshot of how many of these important cells are in your blood, which can provide valuable information about your immune system's health and function.
If Your Levels Are High
A high CD19+ B Cell Count indicates that your body has an increased number of B cells, a type of white blood cell that fights off infections by producing antibodies. This could be due to a variety of reasons. For instance, it could be a sign that your body is fighting off an infection or reacting to an autoimmune disease, where your immune system mistakenly attacks your own body. Additionally, some medications, such as immune system suppressants or corticosteroids, can affect your B cell count. It's important to note that a high B cell count is not a disease in itself, but rather a response to other conditions or factors in your body.
Symptoms of High Levels
Symptoms of high levels of CD19+ B Cell Count could include frequent infections, fatigue, unexplained weight loss, swollen lymph nodes, and fever. However, it's also possible to have a high B cell count without experiencing any noticeable symptoms.
If Your Levels are Low
A low CD19+ B Cell Count means there are fewer B cells in your blood than normal. B cells are a type of white blood cell that help your body fight off infections by producing antibodies, which are proteins that can identify and neutralize harmful bacteria and viruses. If your CD19+ B Cell Count is low, it could mean your immune system isn't working as well as it should be. This could be due to a variety of reasons, such as an underlying health condition like an autoimmune disease, where your immune system mistakenly attacks your own body. Certain medications, like chemotherapy drugs or immunosuppressants, can also lower your B cell count. It's important to note that a low CD19+ B Cell Count is just one piece of the puzzle and doesn't necessarily mean you have these conditions. It's just a clue that helps doctors understand what might be going on in your body.
Symptoms of Low Levels
Symptoms of low levels of CD19+ B Cell Count could include frequent infections, fatigue, and unexplained weight loss. However, it's also possible to have a low CD19+ B Cell Count without experiencing any noticeable symptoms.

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