Nitrites in Urine Test
A nitrites in urine test checks for nitrites in your pee. If nitrites are found, it usually means you have a urinary tract infection (UTI).
What this test measures
This test measures nitrites in your urine. Many types of bacteria that cause UTIs change nitrates (a normal chemical in urine) into nitrites.
What your results mean
Reference ranges vary by laboratory and by your age and sex. MedlinePlus does not publish a single normal range for this test — always read your result against the range printed on your own lab report and discuss it with your provider.
Higher-than-normal results
If there are nitrites in your urine, it may mean that you have a UTI.
Lower-than-normal results
Even if no nitrites are found, you may still have an infection because some types of bacteria don't change nitrates into nitrites.
Frequently asked questions
What does it mean if I have nitrites in my urine?
According to MedlinePlus, it may mean that you have a urinary tract infection (UTI).
Can I have a UTI even if no nitrites are found?
Yes, because some types of bacteria don't change nitrates into nitrites.
Why is it important to diagnose a UTI early?
UTIs that aren't treated could spread to your kidneys, which can be serious.
What other results might my provider look at?
Your provider will also look at tests that check for white blood cells in your urine.
How are UTIs usually treated?
Most UTIs are treated with antibiotics.
Related lab tests
Sources
- MedlinePlus: Nitrites in Urine — NIH MedlinePlus
Last updated . Information is aggregated from official public sources and is not a substitute for professional medical care.