Eosinophil count - absolute
Eosinophil Count -Absolute
Preparation for Test
No preparation is needed for this test. However, make sure to inform your health-care provider about all the medications that you are taking.
Procedure
A sample of blood is taken from a vein in highly concentrated saline solution. The sample is sent to the laboratory, where the number of eosinophils is counted.
Types
- Eosinophil Count – Absolute: This test is used to measure the percentage of eosinophils in the blood.
- Eosinophil Count – Full: This test is used to measure the number of eosinophils in the blood.
- Eosinophil Count – Differential: This test is used to measure the percentage of eosinophils in relation to other types of white blood cells.
Why is the Test Performed?
The eosinophil count is performed to assess the level of eosinophils in the body. High levels of eosinophils can indicate allergic disorders, such as asthma and allergies, parasitic infections, and some types of cancer. Low levels of eosinophils may indicate an immune disorder or certain drug treatments.
When is the Test Performed?
The eosinophil count is performed as part of a complete blood count (CBC) to evaluate an individual’s overall health. It may also be ordered when a patient is displaying allergy-like symptoms, has an infection that does not respond to treatment, or has any other health concerns.
Risks
A standard blood draw is associated with minimal risks, including bleeding, infection, and bruising at the site where the needle was inserted. The risks are usually minor and temporary, although in rare cases, there can be more serious complications.
