This test looks for a deficiency in a protein called factor V. This protein is one of your body's "clotting factors." When you have too little factor V, you may have bleeding problems.

The factor IX test is part of a larger screening to find out which type of hemophilia you have.

This test measures how much of the protein prothrombin, or factor II, is in your blood. It can help diagnose bleeding and clotting disorders.

This test measures the amount of a protein called factor I, or fibrinogen, in your blood. It helps find out if you have a bleeding or clotting disorder.

This test measures the amount of alcohol, or ethanol, in your blood. This test is used by law enforcement agencies and hospitals to find out the concentration of alcohol in a person's blood.

This test measures the amount of estradiol (E2), the form of estrogen made mainly by the ovaries.

This test measures how much of the hormone erythropoietin you have in your blood. You may need this test to figure out what kind of anemia you have.

This test measures how quickly your red blood cells settle to the bottom of a test tube. The faster they settle, the more likely you have inflammation.

This test looks for several types of receptors on cells in a sample of breast cancer tissue. It helps your healthcare provider figure out which type of breast cancer you have.

This test measures the main electrolytes in your body: sodium, chloride, potassium, and carbon dioxide.