FeNO (Fractional Exhaled Nitric Oxide) Test
What is a FeNO test?
- FeNO (fractional exhaled nitric oxide) is a test to measure the levels of nitric oxide in your breath. A high level of nitric oxide when you breathe out can show that your airways are inflamed. This could be a sign that you have asthma.
- A FeNO test is suitable for adults and most children over five.
When is a FeNO test used?
- FeNO to diagnose asthma
If your doctor thinks you may have asthma, they will talk to you about your medical history to find out more about your symptoms. They may use FeNO and other tests, such as spirometry and peak flow tests, to help confirm your diagnosis.
The PCN complete FeNO tests on behalf of the surgeries and your GP will refer you to one of our clinics if required, look out for the booking link which we send out via text!
