Albumin Urine Test
How It Feels
This test does not cause any pain.
Collecting a urine sample does not cause problems.
An albumin test checks urine for the
presence of a protein called
albumin. This is called albuminuria. It is most often caused by
kidney damage from
diabetes. But many other conditions can lead to kidney
These numbers are just a guide. The range for "normal" varies from lab to lab. Your lab may have a different range. Your lab report should show what range your lab uses for "normal." Also, your doctor will evaluate your results based on your health and other factors. So a number that is outside the normal range here may still be normal for you.
Albumin in urine, normal results
| One-time collection (spot urine collection):
Less than 2 milligrams per liter (mg/L)1
Adults at rest: Less than 80 milligrams (mg) in 24 hours or 0.002–0.08 grams (g) per day2
Adults moving around: Less than 150 mg in 24 hours or less than 0.15 g per day2
|10-hour (overnight) collection:
Less than 20
milligrams per liter (mg/L) for 10-hour (overnight)
You may need more than
one test to find out how well your kidneys are working.
- If your results are higher than normal, your doctor may check
your urine more often to watch for kidney damage.
- If you have 2 or 3 high results in a 3- to 6-month period and
you have diabetes, your doctor may find kidney damage (diabetic nephropathy). Even though diabetes is the most common reason for high
results, there are many other kidney problems that can cause high
Pregnant women with diabetes may have their urine checked
to watch for high amounts of albumin.
What Affects the Test
You may not be able to have the test, or the results may not be helpful, if:
- You have a urinary tract infection, high blood pressure,
heart failure, or a high fever during an
- You exercise just before the test.
- You take medicines such as aspirin,
corticosteroids, or some
antibiotics, such as amoxicillin.
- You have menstrual bleeding or vaginal discharge. These may temporarily affect the urine sample.