291 results found
Medical tests
… A C-peptide test measures the level of this peptide in the blood. It is generally found in amounts equal to insulin . … A person with type 2 diabetes can have a normal or high level of C-peptide. A C-peptide test can also help find … too much insulin will have a low C-peptide level but a high level of insulin. An insulinoma causes the pancreas to …
Medical tests
… Test Overview A cold agglutinins blood test is done to check for conditions that cause the … , can cause the level of cold agglutinins to rise. Higher-than-normal levels of cold agglutinins generally do not cause serious problems. Sometimes, high levels of cold agglutinins can cause blood to clump in …
Medical tests
… (SPEP) test measures specific proteins in the blood to help identify some diseases. Proteins are … of the protein in blood serum is albumin. Alpha-1 globulin. High-density lipoprotein (HDL), the "good" type of … that isn't in the normal range may still be normal for you. High values High values may be caused by many conditions. …
Medical tests
… help nerves work, make muscles squeeze together, help blood clot, and help the heart to work. Almost all of the … back to a good blood level. When blood calcium levels get high ( hypercalcemia ), the extra calcium is stored in the … and they work in opposite ways: As blood calcium levels get high, phosphate levels get low, and the opposite is also …
Medical tests
… Test Overview A rheumatoid factor (RF) blood test measures the amount of the RF antibody present in … can attach to normal body tissue and cause damage. A high level of RF can be caused by several autoimmune … and some infections. Sometimes a healthy person can have a high RF level. The amount of RF in blood can be measured in …
Medical tests
… the level of adrenocorticotropic hormone (ACTH) in the blood to check for problems with the pituitary gland and … cortisol levels change throughout the day. ACTH is normally highest in the early morning (between 6 a.m. and 8 a.m.) and … A problem with the adrenal glands or pituitary gland. A high level of ACTH and a low level of cortisol (or low ACTH …
Medical tests
… measures the amount of human growth hormone (GH) in the blood. GH is made by the pituitary gland and is needed for … -like growth factor 1 (IGF-1). When the GH level is very high, the IGF-1 level is also very high. A test for IGF-1 may also be done. Why It Is Done A …
Medical tests
… Test Overview A hemoglobin electrophoresis test is a blood test done to check the different types of hemoglobin … hemoglobin A levels to be low and hemoglobin F levels to be high. Hemoglobin F (fetal hemoglobin). This type is normally … , and leukemia , have abnormal types of hemoglobin and higher amounts of hemoglobin F. Hemoglobin A2. This is a …
Medical tests
… Overview A folate test measures the amount of folate in the blood. Folate is one of many B vitamins. The body needs … B12 deficiency is working. See if the folate level is high enough to prevent certain birth defects. How To Prepare … that isn't in the normal range may still be normal for you. High values High levels of folate in the blood may mean that …
Medical tests
… An ammonia test measures the amount of ammonia in the blood. Most ammonia in the body forms when protein is broken … failure. Check the level of ammonia in a person receiving high-calorie intravenous (IV) nutrition (hyperalimentation). … that isn't in the normal range may still be normal for you. High values High levels of ammonia in the blood may be …
