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Tests
Blood tests are used to measure or look at cells, chemicals, proteins, or other substances in your blood . Blood testing, also known as blood work, is one of the most common types of lab tests. Blood work is often included as part of a regular checkup . Blood tests are also used to:
Tests
A 17-hydroxyprogesterone test measures the amount of 17-hydroxyprogesterone (17-OHP) in a sample of your blood. 17-OHP is a substance that your adrenal glands make. Health care providers can use this test to help diagnose a group of uncommon genetic disorders that affect the adrenal glands. These genetic adrenal gland disorders are called congenital adrenal hyperplasia (CAH). Your adrenal glands are two small organs that sit on top of each kidney. They make different types of hormones , which are chemical messengers in your bloodstream that control the actions of certain cells or organs.
Tests
An anti-müllerian hormone (AMH) test measures the amount of AMH in a blood sample. In males, the testicles (or testes), which are glands that make sperm and hormones, make AMH. In females, the ovaries, which are glands that store and develop eggs and make hormones, make AMH.
Tests
A blood alcohol test measures the amount of alcohol (also called ethanol) in a sample of your blood. Alcohol is the ingredient in beer, wine, and distilled spirits (liquor) that makes you feel intoxicated (drunk).
Tests
BRCA is short for "breast cancer gene." A BRCA genetic test uses a sample of your blood, saliva (spit), or cells from inside of your cheek to look for changes in your BRCA1 and BRCA2 genes. Genes are parts of DNA in your cells that you inherit from your parents. You inherit two copies of each gene, one from each parent. Genes carry information that controls what you look like and how your body works.
Tests
A crystals in urine test checks a sample of your urine (pee) under a microscope to look for crystals. The test shows what the crystals are made of, how large they are, and how many are in your urine.
Tests
A Gram stain is a test that checks to see if you have a bacterial infection . A sample is taken from the site of a suspected infection, such as your throat, lungs, genitals, or a skin wound . Gram stains may also be used to check for bacteria in certain body fluids, such as blood or urine.
Tests
A hemoglobin A1C (HbA1C) test is a blood test that shows your average level of blood glucose , also called blood sugar, over the past two to three months.
Tests
A karyotype test is a type of genetic testing . It looks at the size, shape, and number of chromosomes in a sample of cells from your body. Chromosomes are tiny "packages" in your cells that contain your genes . Genes carry information, called DNA , that controls what you look like and how your body works.
Tests
Kidney stones are small, pebble-like pieces of material that form in one or both of your kidneys. Your kidneys are two bean-shaped organs just below your rib cage. They keep your body's balance of water, minerals, and salts by removing waste to make urine (pee). Kidney stones form when you have high levels of some minerals or salts in your urine (pee). Many things may increase your risk of kidney stones. These can include your diet, some health conditions, and some supplements or medicines.
Tests
This test measures lactate dehydrogenase (LDH) isoenzymes in a sample of your blood. It's a general test that can help find out if you have tissue damage from disease or injury. It can also help show which organs and other tissues are likely to be damaged. But an LDH isoenzymes test alone cannot diagnose what's causing the damage.
Tests
Malaria tests look for signs of a malaria infection in a sample of your blood. These infections are caused by malaria parasites , which are tiny single-celled life forms. There are several types of these parasites.
