A serum iron test determines how much iron is in your blood. 67 of the bodys iron is inside hemoglobin in red blood cells other iron is bound to transferrin in blood or ferritin in bone marrow or stored in more body tissues.
Human Iron Metabolism Wikipedia
Iron measurement in body. This test tells how much transferrin a protein is. As molten iron cools past its freezing point of 1538 c it crystallizes into its δ allotrope which has a body centere. Morning iron is higher than the rest of the days iron levels by 30. Types of iron blood tests serum iron. When your iron level is low your body will. A serum iron test determines the amount of iron in the liquid portion of the blood 1because the amount of iron in the blood varies throughout the day experts at lab tests online recommend performing iron testing the first thing in the morning 2a normal range for iron in the blood as reported by medlineplus is 60mcgdl to 170 mcgdl 1 4.
However the normal range for serum iron often differs from one laboratory to another and may vary according to your age and sex. Total iron binding capacity tibc. This test measures how much iron is stored in your body. This test measures the amount of iron in your blood. Serum ferritin concentration a measure of the bodys iron stores is currently the most efficient and cost effective test for diagnosing iron deficiency 11 13. Most well nourished people in industrialized countries have 4 to 5 grams of iron in their bodies 38 mg ironkg body weight for women and 50 mg ironkg body for men.
How is iron in the blood measured. The medical text wintrobes clinical hematology states that a normal level is approximately 70 to 200 micrograms per deciliter noted as mcgdl. Body iron estimates in the present study using the rf ratio are similar to values obtained with an earlier more complex approach using several laboratory measurements and 3 separate algorithms25 body iron stores averaged 776 313 mg 1 sd in men and 309 346 mg in women according to the original method compared with 752 mg and 297 mg respectively after the data in the present report were converted to absolute values for body iron using average weights for us men and women26the. 35 of the total iron in the body is inside muscles as myoglobin. The first three forms are observed at ordinary pressures. The essential tests that check blood iron levels include a hemoglobin test a serum iron test a total.
Low levels of iron in your blood can be caused by blood loss poor diet or a problem with your bodys. Because serum ferritin decreases during the first stage of iron depletion it can identify low iron status before the onset of ida 7 9 14.