Nitrite is produced when certain bacteria in the urine convert nitrates. A positive test strongly suggests bacterial infection.
- Normal range (adults)
- Negative
- Sample
- Urine
- Fasting
- Not usually needed
- Also called
- Nitrite, NIT, Urine NIT, Nitrites
Urine Nitrite normal range
| Group | Normal result |
|---|---|
| Adults | Negative |
Ranges vary slightly between laboratories. The range printed on your own report is the one to go by.
Why is the Urine Nitrite test done?
It is part of the routine urine dipstick.
What does a positive Urine Nitrite result mean?
A positive nitrite test strongly suggests a urinary tract infection. A negative result does not rule infection out.
Common causes
- Urinary tract infection with common bacteria such as E. coli
- Sample left standing too long before testing
What can help
- Drink plenty of water
- See a doctor for treatment; do not self-medicate with leftover antibiotics
When should you see a doctor?
Contact a doctor, especially if you have fever, back pain, or are pregnant.
Last updated
This page is for general education and is not a diagnosis. Normal ranges differ between laboratories, so always compare your result with the reference range printed on your own report, and discuss abnormal results with your doctor.