Neutrophil count (absolute blood count)

Your doctor may order this test as part of a complete blood count (CBC) to look for signs of infection, inflammation, or problems with your immune system. It may also be ordered to monitor conditions that affect white blood cells, to track how treatments like chemotherapy are affecting your body, or to follow up on abnormal results from an earlier blood test.

Your healthcare provider may recommend this test if you have symptoms like frequent or recurring infections, unexplained fevers, or signs of inflammation. It could also be part of a routine blood check or to monitor conditions affecting white blood cells, such as certain cancers or immune disorders.

Very little preparation is needed for this test. You can usually eat and drink normally and take your regular medications unless your doctor gives you other instructions. Be sure to mention any prescription drugs, vitamins, or supplements you use, since some can influence the results. The blood sample is drawn from a vein in your arm, so wearing a short-sleeved shirt can make the process more comfortable.

No special preparation is needed for this test. You may have a small needle inserted into your arm or hand to draw a blood sample. The process is quick and usually painless.

Your results are reported as the number of neutrophils in a measured volume of blood and compared with a standard reference range. Values above or below that range may suggest infection, inflammation, a reaction to certain medications, or a bone marrow issue. Your doctor will interpret the numbers together with your symptoms, medical history, and other test findings before drawing any conclusions.

Results are compared to a general reference range for healthy adults. Low neutrophil counts may indicate immune suppression or infection, while very high counts might suggest inflammation or other medical conditions.

This test helps doctors evaluate bacterial infections, inflammatory disorders, and problems with the immune system. It is also used to monitor people receiving chemotherapy, taking medications that can lower white blood cells, or living with bone marrow conditions such as leukemia, aplastic anemia, and neutropenia. Long-term conditions like autoimmune diseases may also be tracked with this test over time.

Neutrophil counts help diagnose or monitor conditions like neutropenia (low neutrophil levels), infections, autoimmune diseases, or certain cancers. They can also be checked during chemotherapy or other treatments that affect the bone marrow.