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  1. Stool color: When to worry - Mayo Clinic

    Oct 10, 2024 · Stool comes in a range of colors. All shades of brown and even green are considered typical. Only rarely does stool color indicate a possibly serious intestinal condition. …

  2. Blood urea nitrogen (BUN) test - Mayo Clinic

    Aug 5, 2023 · Learn about the blood urea nitrogen (BUN) test to assess kidney function and what possible results could mean.

  3. Hematocrit test - Mayo Clinic

    When the hematocrit value is high, the proportion of red blood cells in the blood is higher than normal. This can indicate:

  4. Alanine aminotransferase (ALT) blood test - Mayo Clinic

    Jun 3, 2025 · Overview An alanine aminotransferase test, also called an ALT test, is a blood test to check the health of your liver. ALT is a substance found mostly in the liver. If your liver is …

  5. Low hemoglobin count Causes - Mayo Clinic

    May 13, 2025 · A low hemoglobin count on a blood test could be normal for you, or it could indicate that you have a condition that needs medical attention.

  6. Paget's disease of the breast - Symptoms & causes - Mayo Clinic

    Sep 12, 2025 · Overview Paget's disease of the breast is a rare form of breast cancer that affects the nipple. Paget's disease of the breast often causes scaly or crusty skin on the nipple. The …

  7. Protein in urine (proteinuria) Causes - Mayo Clinic

    Mar 20, 2025 · Your kidneys filter waste products from your blood while keeping what your body needs — including proteins. However, some diseases and conditions allow proteins to pass …

  8. Urinalysis - Mayo Clinic

    Oct 24, 2023 · Bilirubin in your urine might indicate liver damage or disease. Evidence of infection. Either nitrites or leukocyte esterase — a product of white blood cells — in your urine might …

  9. Anemia - Diagnosis and treatment - Mayo Clinic

    May 11, 2023 · Diagnosis To diagnose anemia, your health care provider is likely to ask you about your medical and family history, do a physical exam, and order blood tests. Tests might …

  10. Ferritin test - Mayo Clinic

    Dec 19, 2023 · Overview A ferritin test measures the amount of ferritin in the blood. Ferritin is a blood protein that contains iron. This test can be used to find out how much iron the body …