Learn about the ACTH stimulation test, used to help diagnose primary adrenal insufficiency (Addison disease) and to detect conditions affecting the pituitary gland.
Cystatin C is a relatively small protein that is filtered from the blood by the kidneys and broken down at a constant rate. A cystatin C test may be used to screen for and monitor kidney dysfunction in special cases.
A Pap smear detects cervical cell changes before they develop into cervical cancer. Learn about how a Pap smear works and what the results mean for your health.
Potassium is an electrolyte, a type of mineral that is essential to your health. Find out about the types of potassium tests and when and how they are used.
Drug testing for marijuana is ordered by employers and other organizations. Learn about how long marijuana stays in your body and how testing is conducted.
