According to WebMD, a variety of allergens can cause high levels of immunoglobulin E. IgE is a class of antibodies that are found in the lungs, the mucous membranes and the skin of mammals.Like other antibodies, IgE reac... More »

For adults, elevated levels of immunoglobulin E or IgE are above 423 international units per milliliter of blood, according to WebMD. Normal values of IgE rest between 3 and 423 international units per milliliter of bloo... More »

Causes of an elevated AST level include liver cancer, cirrhosis of the liver, hepatitis, muscle trauma and mononucleosis, reports MedlinePlus. An increased total immunoglobulin E level is associated with allergic reactio... More »

For adults, elevated levels of immunoglobulin E or IgE are above 423 international units per milliliter of blood, according to WebMD. Normal values of IgE rest between 3 and 423 international units per milliliter of bloo... More »

Normal immunoglobulin E, or IgE, levels in children are 10 international units per milliliter for 1-year-olds. These levels increase to 100 international units per milliliter by the age range of 13 to 16, according to th... More »

www.reference.com Health Medical Ranges & Levels

The normal range of IgE differs depending upon the age of the person being tested. The average level is 13.2 kilounits per liter for normal adults, but it is lower in infants and higher in children between the ages of 6 ... More »

A normal IgE level ranges from 0 to 380 international units per milliliter, according to the Marshall University School of Medicine. IgE is an antibody that binds to allergens and triggers an inflammatory response. More »