This test measures the concentration of dissolved particles, or osmolality, in your blood.

This test measures cotinine, a chemical your body makes after exposure to nicotine.

This test measures a protein called myoglobin in your urine. The test can help find out if your muscle tissue has been injured.

This test measures the amount of a protein called myoglobin in your blood. It's done to help diagnose conditions caused by muscle damage.

This test looks at sputum, or the mucus from your lower airways. It finds out whether you have a lung infection caused by a certain organism.

This test looks for microorganisms in a sample of secretions from your genital area. Mycoplasma may be a sign of infection or a sexually transmitted infection.

This test looks for antibodies to the mumps virus in your blood. Mumps is a contagious disease that often begins with flu-like symptoms.

This test looks for bacteria called methicillin-resistant Staphylococcus aureus (MRSA) in a fluid sample from your body.

This test looks for signs in your blood that you have the Epstein-Barr virus, the virus that causes mono.

This test looks for antibodies to 3 diseases: measles, mumps, and rubella.