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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. 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 …

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

    Sep 12, 2025 · This rare form of breast cancer causes breast skin changes. Learn about the symptoms, causes, diagnosis and treatments, including surgery.

  4. 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.

  5. New FDA-approved blood tests for diagnosing Alzheimer's disease

    Jul 8, 2025 · A simple blood test done in a doctor's office can help to diagnose Alzheimer's disease. Find out who can have the test, and how accurate results are.

  6. Hematocrit test - Mayo Clinic

    Why it's done A hematocrit test can help your health care team make a diagnosis or monitor how you respond to a treatment. The test is done as part of a complete blood count (CBC). When …

  7. Low hemoglobin count Causes - Mayo Clinic

    Nov 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.

  8. Bilirubin test - Mayo Clinic

    Nov 9, 2024 · Overview A bilirubin test checks liver health by measuring the levels of bilirubin in the blood. Bilirubin is a substance produced by the breakdown of red blood cells. Bilirubin (bil …

  9. White stool: Should I be concerned? - Mayo Clinic

    Jul 3, 2025 · White stool isn't typical. If you have white stool, you should see a medical professional right away. A lack of bile causes white or clay-like stool. That may mean a serious …

  10. Hyperglycemia in diabetes - Symptoms & causes - Mayo Clinic

    Apr 30, 2025 · Hyperglycemia in diabetes can occur for many reasons. Know the causes, symptoms and treatments of high blood sugar and when to get emergency help.