About 494,000 results
Open links in new tab
  1. Hemoglobin: Normal, High, Low Levels by Age, Test, Deficiency

    Mar 7, 2024 · Normal hemoglobin A1c levels range between 4% to 5.9%. As this number reaches 6% or greater, it signifies a higher than normal level of blood glucose over the preceding 3 …

  2. What Do High or Low Hemoglobin Levels Mean? - Verywell Health

    Dec 12, 2025 · Normal hemoglobin levels differ for men and women, with adult males having 13.8 to 17.2 g/dL and females having 12.1 to 15.1 g/dL. High hemoglobin levels can be caused by …

  3. Normal Hemoglobin Levels and Ranges for Female, Children, …

    Jan 6, 2020 · Low hemoglobin levels are below 12 g/dL for adult females and 13.5 for adult males. High hemoglobin levels are above 15 g/dL for adult females and 18 g/dL for adult males.

  4. Hemoglobin test - Mayo Clinic

    Apr 12, 2024 · If your hemoglobin level is below or above the healthy range, your healthcare team determines what steps to take. Your healthcare professional might double-check the …

  5. Normal Hemoglobin Levels by Age and Gender: What’s Healthy?

    Dec 17, 2025 · Normal hemoglobin levels by age and gender, what’s healthy, and when low or high hemoglobin levels need medical attention. Learn when to see a doctor.

  6. Hemoglobin Concentration (Hb): Reference Range, Interpretation ...

    Nov 4, 2025 · Levels < 110 g/L in the first trimester and <105 g/L in later trimesters suggest iron deficiency anemia. [3] The reference ranges for hemoglobin concentration in adults are as …

  7. Hemoglobin: Normal, High, and Low Levels by Age

    Hemoglobin levels vary by age and gender—typically 13.8–17.2 g/dL for adult males and 12.1–15.1 g/dL for adult females—and levels that are too low indicate anemia, while high …

  8. Hemoglobin Test: Normal, High, Low Levels & Results

    Normal hemoglobin values are related to the person's age and sex. Normal values may vary slightly between test systems, and which groups of doctors have determined "normal values" …

  9. What is the normal range for hemoglobin by age? - Drlogy

    The normal range for hemoglobin can vary depending on age, sex, and individual factors. As a general guideline, for adults, the normal hemoglobin range is typically: 1. For adult males: 13.5 …

  10. Understanding Normal, Low, and High Hemoglobin Levels

    Hemoglobin test results are typically measured in grams per deciliter (g/dL). Normal levels vary depending on factors such as age, gender, and overall health. For example, the normal …