Apolipoproteins

This is a test used to evaluate the risk of coronary artery disease.

PREPARATION FOR TEST

No preparation or fasting is necessary unless you have been informed otherwise. A blood sample is obtained by inserting a needle into a vein in the arm.

NORMAL FINDINGS

Apo A-1

  • Adult/elderly

  • Male: 75-160mg/dl

  • Female: 80-175 mg/dl

  • Newborn

  • Male: 41-93 mg/dl

  • Female: 38-106 mg/dl

  • 6 months-4 years

  • Male: 67-167 mg/dl

  • Female: 60-148 mg/dl

  • 5 to 17 years

  • 83-151 mg/dl

Apo B

  • Adult/elderly

  • Male: 50-125 mg/dl

  • Female: 45-120 mg/dl

  • 6 months-3 years

  • 23-75 mg/dl

  • 5-17 years

  • Male: 47-139 mg/dl

  • Female: 41-132 mg/dl

Apo A-1/Apo B ratio

  • Male: 0.85-2.24

  • Female: 41-132 mg/dl

Lipoprotein (a)

  • Caucasian (5th-95th percentile)

  • Male: 2.2-49.4 mg/dl

  • Female: 2.1-57.3 mg/dl

  • African-American (5th-95th percentile)

  • Male: 4.6-71.8 mg/dl

  • Female: 4.4-75 mg/dl

Ranges for normal findings may vary among different laboratories and hospitals. You should always check with your doctor after having lab work or other tests done to discuss the meaning of your test results and whether your values are considered within normal limits.

MEANING OF TEST

Your caregiver will go over the test results with you and discuss the importance and meaning of your results, as well as treatment options and the need for additional tests if necessary.

OBTAINING THE TEST RESULTS

It is your responsibility to obtain your test results. Ask the lab or department performing the test when and how you will get your results.