Are there any specific tests to determine the cause of low white blood cells and fatigue?

Nov 29, 2023 ... ... body fight off infections, destroy abnormal cells and prevent illness. What does it mean when levels of some of these cells are high or low? The most common causes of elevated white blood cell counts are infections and inflammation. Some cases of leukocytosis are the result of an immune reaction. A ... Developing an infection when you have a low number of white blood cells can sometimes be a serious complication of chemotherapy. But most people do not have any ... Inclusion in an NLM database does not imply endorsement of, or ... If the WBC is extremely low, then determination of the absolute neutrophil count ... Jun 12, 2024 ... What Does a Complete Blood Count Measure? · Hematocrit · Hemoglobin · Mean Corpuscular Volume · Platelet Count · Red Blood Cell Count · White Blood ... Mar 16, 2021 ... A close-up image of numerous red blood cells clustered together, highlighting their round. When you have too few platelets during pregnancy ... Aug 7, 2019 ... WBCs are necessary for the body to fight infection, making the risk of infection higher when the WBC count is low. The most important WBC in ... Dec 1, 2015 ... Lymphocytosis (when lymphocytes make up more than 40% of the WBC count or the absolute count is greater than 4,500 per mm3 [4.5 × 109 per L]) ... A hematocrit level above the normal range, meaning too many red blood cells, may indicate polycythemia or erythrocytosis. Why Should You Test Hematocrit Levels? People with chronic neutropenia have low levels of white blood cells called ... Would my treatment change if a genetic test finds that I have a ...