329 results found
Medical tests
… Phosphate in Blood Test On this page: Test Overview Why It Is Done How To … by the kidneys and passes out of the body in the urine. A high level of phosphate in the blood is usually caused by a … (PTH) regulates the levels of calcium and phosphorus in your blood. When the phosphorus level is measured, a vitamin …
Medical tests
… Prealbumin Blood Test On this page: Test Overview Why It Is Done How To … normal, it may be a sign of a poor diet (malnutrition). Your doctor may use the results of this test to make changes … that isn't in the normal range may still be normal for you. High values High prealbumin levels may be caused by: Hodgkin …
Medical tests
… Cortisol in Blood Test On this page: Test Overview Why It Is Done How To … cortisol levels rise during the early morning hours and are highest about 7 a.m. They drop very low in the evening and … of the way cortisol levels vary throughout a day. If your doctor thinks you might make too much cortisol, the …
Medical tests
… Blood Alcohol Test On this page: Test Overview Why It Is … alcohol test measures the amount of alcohol (ethanol) in your body. Alcohol is quickly absorbed into the blood and … drink. The amount of alcohol in the blood reaches its highest level about an hour after drinking. But food in the …
Medical tests
… Blood Type Test On this page: Test Overview Why It Is Done … It Feels Risks Results Test Overview Blood type tests are done before a person gets a blood … people have one of four blood types: A, B, AB, or O. If your red blood cells have: The A antigen. You have type A …
Medical tests
… Calcium (Ca) in Blood Test On this page: Test Overview Why It Is Done How To … back to a good blood level. When blood calcium levels get high ( hypercalcemia ), the extra calcium is stored in the … in the body depends on the amount of: Calcium you get in your food. Calcium and vitamin D your intestines absorb. …
Medical tests
… Sodium (Na) in Blood Test On this page: Test Overview Why It Is Done How To … in the body. Find the cause of symptoms from low or high levels of sodium. Check on the progress of diseases of … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… Complete Blood Count (CBC) On this page: Test Overview Why It Is Done … cells , white blood cells , and platelets . A CBC helps your doctor check any symptoms that you may have, such as … may not be getting the oxygen it needs. If the count is too high (a condition called polycythemia), there's a chance …
Medical tests
… Uric Acid in Blood Test On this page: Test Overview Why It Is Done How To … sample. Uric acid is produced from the natural breakdown of your body's cells and from the foods you eat. Most of the … normally, the level of uric acid in the blood increases. High levels of uric acid in the blood can cause solid …
Medical tests
… Medicine Blood Level Test On this page: Test Overview Why It Is Done … Overview A medicine blood level test measures how much of your medicine is in your blood. Your doctor checks it to … blood level, they don't work as well as they should. At a high blood level, they may cause problems. Your doctor may …
