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Iron deficiency anemia: Low High. The liver produces more transferrin, presumably attempting to maximize use of the little iron that is available. Low, as there is insufficient iron. Anemia of chronic disease: Low, as the body holds iron intracellularly with ferritin. Low.
In the setting of anemia, low serum ferritin is the most specific lab finding for iron-deficiency anemia. [34] However it is less sensitive, since its levels are increased in the blood by infection or any type of chronic inflammation, [ 35 ] and these conditions may convert what would otherwise be a low level of ferritin from lack of iron, into ...
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 ...
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 .
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.
In anemia of chronic inflammation without iron deficiency, ferritin is normal or high, reflecting the fact that iron is sequestered within cells, and ferritin is being produced as an acute phase reactant. In iron deficiency anemia (IDA) ferritin is low. [6]
Total iron-binding capacity increases when iron deficiency exists. [4] Serum ferritin levels reflect the iron stores available in the body. [4] The normal range is 20 to 200 ng/mL for men and 15 to 150 ng/mL for women. [8] Low levels (< 12 ng/mL) are specific for iron deficiency. [4]
The platelet count may be slightly above the high limit of normal in iron-deficiency anemia (termed a mild thrombocytosis), but severe cases can present with thrombocytopenia (low platelet count). [58] Iron-deficiency anemia is confirmed by tests that include serum ferritin, serum iron level, serum transferrin, and total iron binding capacity. [59]
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