Day: September 21, 2026

To diagnose iron deficiency anemia, your healthcare professional may run tests to look for: Red blood cell size and color. With iron deficiency anemia, red blood cells are smaller and paler than usual. Hematocrit. This is the percentage of blood volume made up by red blood cells. Standard levels mainly are between 35.5% and 44.9% for adults assigned female at birth and 38.3% to 48.6% for …