Urinalysis / Kidney
If you have a positive urine nitrite test along with symptoms like fever, chills, severe back pain, or vomiting, seek urgent medical care. These could be signs of a more serious kidney infection.
This test checks for nitrites in your pee. Nitrites are chemicals. Some types of germs, often those that cause bladder infections, can create them.
Your doctor often orders this test to help figure out if you have a bladder infection.
Reference ranges for urine nitrite are qualitative (positive or negative) and can vary slightly by the lab performing the test. Your doctor will interpret the results based on your symptoms and other tests.
Clinical Reference
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Educational purposes only — This information is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your lab results with your healthcare provider.