RDW Blood Test: What It Is, Procedure & Results
May 10, 2022 · An RDW blood test measures your red blood cells’ variation in size and volume. Along with other tests, an RDW blood test can help your healthcare provider diagnose anemia.
What Does It Mean When Your RDW is High? Insights for ...
Aug 14, 2024 · Red Cell Distribution Width (RDW) is a crucial component of a complete blood count (CBC) test. RDW helps guide the practitioner in dealing with some types of anemia.
RDW Blood Test: Understanding High and Low Results - Health
Dec 9, 2025 · A red cell distribution width (RDW) blood test looks at variations in red blood cell size. A high RDW can be a sign of conditions like anemia, diabetes, or liver disease.
RDW (Red Cell Distribution Width): MedlinePlus Medical Test
What is a red cell distribution width test? A red cell distribution width (RDW) test measures how much the volume and size of your red blood cells (erythrocytes) varies. Red blood cells are made in your …
Purpose of a Red Cell Distribution Width (RDW) Blood Test
Aug 25, 2025 · The red cell distribution width (RDW) blood test measures how equal your red blood cells are in size. If your RDW blood test is high, it may be a sign of anemia, liver disease, nutrient …
RDW Blood Test: What It Is and What High Levels Mean
Jul 20, 2025 · Interpreting RDW levels begins with comparing the result to a reference range, which is around 11% to 14.5% for adults. A result within this range is considered normal and indicates the red …
RDW blood test: What Is It, preparation, and results
May 20, 2024 · What is an RDW blood test? What is an RDW test? A red cell distribution width (RDW) test is a type of blood test that indicates variations in the size of a person’s red blood cells. It can...
What is RDW in a blood test? What it tells you about your ...
Jul 8, 2025 · The RDW value in a blood test describes more than just the size of the red blood cells. It gives doctors important clues about your health, including whether you might have anemia, nutrient …
Red Cell Distribution Width Blood Test: Uses and Results
Jun 29, 2022 · A red cell distribution width (RDW) blood test measures the different sizes and volumes of red blood cells. Major differences or a high RDW can indicate a medical condition. It is often …
RDW blood test: What It Means and What It Tells About Your Health
Sep 21, 2017 · Red cell distribution width (RDW for short) is a blood test used to measure the difference in size and volume of your red blood cells. Doctors use the RDW blood test as part of a complete …