RDW Blood Test: What It Is, Procedure & Results - Cleveland Clinic
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 Patients and ...
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. Anemia affects …
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 …
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.
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 …
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 …
What is RDW in a blood test? What it tells you about your health …
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 …
RDW Blood Test: What It Is and What High Levels Mean
Jul 20, 2025 · The Red Cell Distribution Width (RDW) is a measurement included in a standard complete blood count (CBC) panel. This test provides information about red blood cells, which are responsible …
Red Cell Distribution Width (RDW) Test - Medscape
Jul 29, 2025 · The red cell distribution width (RDW) test measures variation in red blood cell (RBC) size or RBC volume as a part of the complete blood count (CBC). It is used along with other RBC indices,...
What Is RDW in Blood and What Does a High Level Mean?
Red Cell Distribution Width (RDW) is a measurement included in a standard complete blood count (CBC) test, used to assess overall blood health. RDW specifically measures the variation in the size …