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Transferrin Blood Test
Item # LC004937
Measures your body's main iron transporter
Transferrin Blood Test
Item # LC004937
Measures your body's main iron transporter
Transferrin is the primary iron-binding protein that shuttles ingested iron from the food you eat throughout your body via your bloodstream. Measuring your transferrin levels can give you and your healthcare provider valuable information about your risk of anemia or other iron-related health issues.
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Transferrin is the main protein in the blood that binds to iron and transports it throughout the body. Transferrin levels rise with iron deficiency and fall in cases of iron overload. Transferrin is also responsible for circadian variation in serum iron (which peaks in the AM). Normally, iron is absorbed from food and transported throughout the body by transferrin, which is produced by the liver. About 70% of the iron is transported to the bone marrow and incorporated into hemoglobin within red blood cells. The remainder is stored in the tissues as ferritin.
Instructions An 8 to 12 hour fast is required for this blood test. However, drink plenty of water and take your medications as prescribed. Note Transferrin is increased in patients on oral contraceptives and in late pregnancy. Transferrin may not be elevated in iron-deficient states in which there is severe protein malnutrition. |
The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.
Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.
A clinician's order is required for many tests. Where applicable, an independent clinician will review your test request and determine whether to authorize the test, if appropriate. For additional information, see PWNHealth Terms of Service.
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