Eosinophils play a particularly important role in reactions related to allergies, allergic dermatitis, and asthma.
Eosinophils are important to us. In the immune system, eosinophils have two functions: they destroy invading bacteria, viruses, and parasites, and take part in the inflammatory response.
White blood cells play a crucial role in our health. White blood cells fight viruses, bacteria, parasites, and other intruders that threaten the health of the body. Eosinophils make up an average of 2–4% of white blood cells.
Eosinophils play a particularly important role in reactions related to allergies, allergic dermatitis, and asthma.
Reference levels may vary depending on the laboratory and the test analysis method.
B-Eos test measures the amount of eosinophils in the blood.
Reference value for eosinophils (B-Eos) in both men and women is 0.04–0.4 E9/l.
Level of eosinophils in the blood is usually at its lowest in the morning and highest in the evening.
L-Eos% test shows the percentage of eosinophils in all white blood cells.
Reference value for eosinophils (L-Eos %) in both men and women is 1–6%.
Mildly decreased eosinophil count is usually no cause for concern when other white blood cell counts are normal. If all white blood cells are lower than normal, a doctor should be consulted.
Possible causes of low levels of eosinophils in the blood include:
Eosinophilia is a condition in which the number of eosinophils is higher than normal. Possible causes of eosinophilia include:
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Magnesium is an essential mineral for the body. It is needed for the functioning of the nervous system and several enzymes.
Iron is needed for the formation of red blood cells’ haemoglobin. In addition, it acts as a catalyst in many enzyme reactions.
Folate, or folic acid, is a group B vitamin obtained from food. It is an essential nutrient for humans.
The aspartate aminotransferase (ASAT) test measures liver function and damage.
T4, or thyroxine, is a thyroid hormone and its level indicates the activity of the thyroid gland.
Glucose is an indicator of the blood sugar level. Blood sugar affects general well-being and energy levels, muscle and brain function and the feeling of hunger.
The LDL cholesterol level shows the amount of harmful cholesterol in the blood. Elevated cholesterol increases the risk of atherosclerosis.
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TSH or thyroid-stimulating hormone is secreted by the pituitary gland. TSH is tested when examining thyroid function.
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MCV is tested when looking for the causes of diagnosed anemia.
MCH is usually measured as a part of blood count and is used to help diagnose anemia.
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Article updated:
19 February 2024