
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 …
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. …
Alkaline phosphatase (ALP) blood test - Mayo Clinic
Aug 5, 2025 · Overview An alkaline phosphatase blood test is a simple test to check the health of your bones, liver or other parts of your body. Alkaline phosphatase (ALP) is a type of protein …
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.
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.
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.
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.
Hematocrit test - Mayo Clinic
This can indicate: The blood has too few healthy red blood cells. This condition is called anemia. That the body does not have enough vitamins or minerals. Recent or long-term blood loss. …
Sed rate (erythrocyte sedimentation rate) - Mayo Clinic
Oct 15, 2025 · Overview Sed rate, or erythrocyte sedimentation rate (ESR), is a blood test that can show inflammatory activity in the body. Many health problems can cause a sed rate test …
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 …