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Q: What is a healthy white blood cell WBC count? This is on average — some healthy individuals may have a higher or lower count. Q: What is leukocytosis? A: Leukocytosis is the condition of having an abnormally high WBC count.
In most cases, an elevated WBC count will result in no symptoms, though symptoms associated with the underlying condition causing the high WBC count may occur. In extreme cases, such as when leukocytosis occurs because of a bone marrow disorder, symptoms directly related to an elevated WBC count may occur.
Feeling unwell? Get a free symptom assessment with the Ada app. Q: What is hematology? A: Hematology alternatively spelled haematology is the branch of medicine concerned with blood and the various disorders and conditions involving blood.
The test extracts a large amount of information from the blood sample you've given, including:. The number and types of white blood cells WBCs. There are 5 types of WBCs. All play a role in fighting infection. High numbers of WBCs, or of a specific type of WBC, may mean you have an infection or inflammation somewhere in your body. Low numbers of WBCs may mean you are at risk for infections. The number of red blood cells RBCs. RBCs carry oxygen throughout the body and remove excess carbon dioxide.
Too few RBCs may be a sign of anemia or other diseases. In rare cases, too many RBCs may cause problems with blood flow. How the size of your red blood cells varies. For instance, you'll probably have greater differences in red blood cell size if you have anemia. Hematocrit HCT. This means the portion of red blood cells in a certain amount of whole blood. A low hematocrit may be a sign of too much bleeding.
Or it might mean that you have iron deficiency or other disorders. A higher than normal hematocrit can be caused by dehydration or other disorders. A WBC count requires no specific preparation. You simply schedule an appointment with your doctor or set up an appointment at a local medical laboratory. Certain medications can interfere with your lab results and either lower or increase your WBC count.
The drugs that may affect your test results include:. Abnormal test results are classified by numbers that are higher or lower than the normal range for your age. A low or high WBC count can point to a blood disorder or other medical condition. To identify the exact cause of a high or low WBC count, your doctor will take several factors into consideration, such as your list of current medications, symptoms, and medical history.
Leukopenia is the medical term used to describe a low WBC count. A low number can be triggered by:. Leukocytosis is the medical term used to describe a high WBC count.
This can be triggered by:. After diagnosing the cause of a high or low WBC count and recommending a treatment plan, your doctor will periodically recheck your WBCs. If your WBC count remains high or low, this can indicate that your condition has worsened. Your doctor may adjust your treatment.
Leukemia is a cancer of the blood cells. Get the statistics on survival rates and find out the most common symptoms, diagnostic options, and…. Blood cell disorders impair the formation and function of red blood cells, white blood cells, or platelets.
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