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Transferrin saturation (TS), measured as a percentage, is a medical laboratory value. It is the value of serum iron divided by the total iron-binding capacity [1] of the available transferrin, the main protein that binds iron in the blood, this value tells a clinician how much serum iron is bound. For instance, a value of 15% means that 15% of ...
Fasting transferrin saturation is a better test to detect HH. [14] [55] Transferrin saturation greater than 62% is suggestive of homozygosity for mutations in the HFE gene. [56] Ferritin, a protein synthesized by the liver, is the primary form of iron storage within cells and tissues.
Serum iron is a medical laboratory test that measures the amount of circulating iron that is bound to transferrin and freely circulate in the blood. Clinicians order this laboratory test when they are concerned about iron deficiency, which can cause anemia and other problems. 65% of the iron in the body is bound up in hemoglobin molecules in red blood cells.
Total iron-binding capacity (TIBC) or sometimes transferrin iron-binding capacity is a medical laboratory test that measures the blood's capacity to bind iron with transferrin. [1] Transferrin can bind two atoms of ferric iron (Fe 3+ ) with high affinity.
Iron tests are groups of clinical chemistry laboratory blood tests that are used to evaluate body iron stores or the iron level in blood serum.. Other terms used for the same tests are iron panel, iron profile, iron indices, iron status or iron studies.
In spite of an increased level of transferrin, serum iron level is decreased along with transferrin saturation. Erythropoiesis impairment begins when the serum iron level falls to less than 50 μg/dL and transferrin saturation is less than 16%. [4] Stage 3 – Anemia (reduced hemoglobin levels) is present but red blood cell appearance remains ...
Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...
Diagnosis is based upon identification of symptoms, medical history, family history, and laboratory tests. Blood tests may show high levels of ferritin and low, normal, or high levels of transferrin saturation, depending on the form of hemochromatosis. The diagnosis must be confirmed by genetic testing for SLC40A1 mutations. [14]