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TIBC & Transferrin
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The Test Sample
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What is being tested?Transferrin is the plasma protein that binds to iron and transports it through the circulation. TIBC measures the total amount of iron that transferrin can bind. While the two tests are different and are reported in different units (g/L for transferrin and umol/L for TIBC), they measure essentially the same thing.
How is the sample collected for testing?
A blood sample is drawn by needle from a vein in your arm.
NOTE: If undergoing medical tests makes you or someone you care for anxious, embarrassed, or even difficult to manage, you might consider reading one or more of the following articles: Coping with Test Pain, Discomfort, and Anxiety, Tips on Blood Testing, Tips to Help Children through Their Medical Tests, and Tips to Help the Elderly through Their Medical Tests.
Another article, Follow That Sample, provides a glimpse at the collection and processing of a blood sample and throat culture.
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This article was last reviewed on
March 11, 2006.
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