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What is a normal protein level in blood?

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Quick Answer

The normal total protein level in blood is 6 to 8.3 grams per deciliter, according to MedlinePlus. Blood protein levels may be higher during pregnancy.

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Full Answer

If blood protein levels are outside of the normal range, doctors might order additional testing to determine the cause. High protein levels indicate diseases like multiple myeloma, Waldenstrom's disease, HIV or Hepatitis B or C, states MedlinePlus. Low protein levels indicate conditions like liver disease, nephrotic syndrome, malnutrition or malabsorption. Extensive burns or hemorrhaging might also result in low blood protein levels.

There are two types of protein measured in the blood: albumin and globulin. Albumin supports healing and tissue growth and keeps blood from draining out of the vessels, according to WebMD. Globulin transports iron and other metals in the blood and helps fight infection.

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