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 …

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 …

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. …

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 …

Symptoms Breast tissue typically might feel lumpy or ropy. You also may have breast tenderness that comes and goes with your menstrual period.

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

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.

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.

Oct 24, 2023 · Bacteria, yeast or parasites can indicate an infection. Casts — tube-shaped proteins — can be a result of kidney disorders. Crystals that form from chemicals in urine …

Jan 18, 2025 · Overview Liver function tests are blood tests used to help find the cause of your symptoms and monitor liver disease or damage. The tests measure the levels of certain …