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- This test measures the amount of acetaminophen in your blood. Taking too much of this common pain reliever can cause liver damage. Learn more. ... Acetaminophen Level What is an acetaminophen level test? This test measures the amount of acetaminophen in your blood. Acetaminophen is a medicine used in many over-the-counter ( ...
- Acid-fast bacillus (AFB) is a type of bacteria that causes tuberculosis (TB) and other infections. AFB tests look for AFB bacteria in sputum. Learn more. ... Acid-Fast Bacillus (AFB) Tests What are acid-fast bacillus (AFB) tests? Acid-fast bacillus (AFB) is a type of bacteria that causes tuberculosis and other types ...
- ADHD screening tests help diagnose ADHD in children and adults. ADHD makes it hard to pay attention and focus on tasks. Learn more. ... ADHD Screening What is ADHD screening? ADHD screening is also called ADHD testing. It helps find out if a child, teen, or adult has ADHD. ADHD stands for attention deficit hyperactivity ...
- An adrenocorticotropic hormone (ACTH) test measures the amount of ACTH in your blood. It can help find the cause of abnormal cortisol levels. Learn more. ... Adrenocorticotropic Hormone (ACTH) What is an adrenocorticotropic hormone (ACTH) test? This test measures the level of adrenocorticotropic hormone (ACTH) in a sample of your ...
- An albumin blood test measures the level of albumin in your blood. Low albumin levels can be a sign of a disorder of your liver or kidneys. Learn more. ... Albumin Blood Test What is an albumin blood test? An albumin blood test measures the amount of albumin in your blood. Albumin is a protein made by your liver. ...
- An allergy skin test checks for an allergic reaction by placing allergy-causing substances called allergens on or below your skin. Learn more. ... Allergy Skin Test What is an allergy skin test? An allergy is an overreaction by your immune system to something that doesn't bother most people. An allergy skin test ...
- Alpha-1 antitrypsin (AAT) is a protein that protects the lungs and liver from damage. AAT testing is used to diagnose a condition called AAT deficiency. ... Alpha-1 Antitrypsin Testing What is alpha-1 antitrypsin (AAT) testing? Alpha-1 antitrypsin (AAT) testing uses a sample of blood or a cheek swab to diagnose ...
- An AFP (alpha-fetoprotein) tumor marker test measures AFP in your blood. High levels may be a sign of cancer of the liver, ovaries, or testicles. Learn more. ... Alpha Fetoprotein (AFP) Tumor Marker Test What is an AFP (alpha-fetoprotein) tumor marker test? An AFP tumor marker test is a blood test that measures ...
- An ALT blood test checks the health of your liver. ALT is a liver enzyme that gets released into your blood when liver cells are damaged. Learn more. ... ALT Blood Test What is an ALT Blood Test? An ALT test measures the amount of ALT in your blood. This test is commonly used to help diagnose liver damage or ...
- An alpha-fetoprotein (AFP) test is a blood test done during pregnancy to check your baby's risk for birth defects and genetic disorders. Learn more. ... Alpha-Fetoprotein (AFP) Test What is an alpha-fetoprotein (AFP) test? An AFP test is a blood test that measures the level of alpha-fetoprotein (AFP) in your blood ...
