Apolipoprotein B100

A blood sample is needed .

Your health care provider may tell you not to eat or drink anything for 4 to 6 hours before the test.

When the needle is inserted to draw blood, you may feel moderate pain, or only a prick or stinging sensation. Afterward, there may be some throbbing.

Most often, this test is done to help determine the cause or specific type of high blood cholesterol. It is not clear whether the information helps improve treatment. Because of this, most health insurance companies do not pay for the test. If you do not have a diagnosis of high cholesterol or heart disease, this test…

The normal range is about 50 to 150 mg/dL. Normal value ranges may vary slightly among different laboratories. Some laboratories use different measurements or may test different specimens. Talk to your provider about the meaning of your specific test results.

An abnormal result may mean you have high lipid (fat) levels in your blood. A medical term for this is hyperlipidemia . Other disorders that may be associated with high apoB100 levels include atherosclerotic vascular disease such as angina pectoris (chest pain that occurs with activity or stress) and heart attack .

Risks linked with having blood drawn are slight, but may include: Excessive bleeding Fainting or feeling lightheaded Hematoma (blood buildup under the skin) Infection (a slight risk any time the skin is broken) Multiple punctures to locate veins

Apolipoprotein measurements may provide more detail about your risk for heart disease, but the added value of this test beyond a lipid panel is unknown.

Bredefeld CL, Lau R, Hussain MM. Lipids and dyslipoproteinemia. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods . 24th ed. St Louis, MO: Elsevier; 2022:chap 18. Genest J, Mora S, Libby P. Lipoprotein disorders and cardiovascular disease. In: Libby P, Bonow RO, Mann DL,…