Leucine Aminopeptidase (LAP)

This is a blood or urine test to determine if there is leucine aminopeptidase present. This enzyme becomes elevated when there are problems in the liver, the pancreas, or the small bowel. This test is used mainly to determine if there is a liver disorder.

PREPARATION FOR TEST

No preparation or fasting is necessary. A blood sample is obtained by inserting a needle into a vein in the arm.

NORMAL FINDINGS

  • Blood

  • Male: 80-200 units/ml or 19.2-48.0 units/L (SI units)

  • Female: 75-185 units/ml or 18.0-44.4 units/L (SI units)

  • Urine: 2-18 units/24 hr

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.