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Tests
Alpha-1 antitrypsin (AAT) testing uses a sample of blood or a cheek swab to diagnose a condition called alpha-1 antitrypsin deficiency (AAT deficiency). This condition is sometimes known as "alpha-." or AATD. If you have AAT deficiency, your body doesn't make enough AAT.
Tests
An AFP test is a blood test that measures the level of alpha-fetoprotein (AFP) in your blood when you are pregnant. The test checks your baby's risk of having certain birth defects and genetic problems , but it does not diagnose any health conditions. The test is usually done between 15 and 20 weeks of pregnancy .
Tests
An ALT test measures the amount of ALT in your blood. This test is commonly used to help diagnose liver damage or disease .
Tests
An ammonia levels test measures the amount of ammonia in a sample of your blood. Ammonia is also called NH3. It is a normal waste product in your body. Healthy bacteria in your intestines make ammonia when you digest protein in the foods you eat.
Tests
An amylase test measures the amount of amylase in your blood or urine (pee). Amylase is an enzyme, a protein that speeds up chemical reactions in your body. Amylase helps you digest carbohydrates . Most of the amylase in your body is made by your pancreas and salivary (spit) glands.
Article
Research record from JCI Insight, 2026-04-08. PMID 41948933.
Article
Research record from Front Immunol, 2026-10-05. PMID 42898354.
Tests
An ANA test is a blood test that looks for antinuclear antibodies in your blood. Antibodies are proteins that your immune system makes to fight foreign substances, like viruses and bacteria. But an antinuclear antibody attacks your healthy cells instead. It's called "antinuclear" because it targets the nucleus of the cells, which is in charge of sending signals that are needed for important cell functions.
Article
Research record from Leg Med (Tokyo), 2026-08-08. PMID 42574895.
Article
Research record from J Anal Toxicol, 2026-06-01. PMID 42262902.
Article
Research record from Antibiotics (Basel), 2026-09-11. PMID 42792046.
Article
Research record from Front Med (Lausanne), 2026-09-03. PMID 42755646.
