Iron and Total Iron-binding Capacity Blood Test
Iron and Total Iron-binding Capacity Blood Test (Labcorp)
This test provides several measurements related to a person's iron levels. Iron is a nutrient which is essential to a number of bodily processes including the production of red blood cells. Iron is absorbed from the food a person eats and transported through the body by Transferrin, a protein produced by the liver. Iron testing can be useful for helping to determine if a person is suffering from iron deficiency or overload.
This test includes the following measurements:
- Iron, Serum: A measure of iron in the blood:
- Iron Binding Capacity (TIBC): Measures proteins in the blood, including transferrin, which are available to bind with iron.
- UIBC: Measures the reserve portion of transferrin which has not yet been saturated with iron.
- Iron Saturation: A calculation of the percent of transferrin which is saturated with iron.
This test is usually ordered when a person has had abnormal results from a CBC, especially if the Hematocrit and Hemoglobin are out of range. It may also be ordered when a person is experiencing symptoms of iron deficiency or overload. The Iron and TIBC test provides more information than a standard Iron Blood Test.
Turnaround time for the Iron and TIBC test is typically 1 business day.
Where can I find an Iron and Total Iron Binding Capacity test near me?
Check our lab finder to locate a collection site in your area.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
The sample should be drawn in the morning after at least 8 hours of fasting.
Iron and Total Iron-binding Capacity testing should occur prior to given therapeutic iron or blood transfusion. The collection should occur a minimum of 4 days after blood transfusion.
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