Important Safety Information | NIOX VERO® User Manual (PDF)

For US Healthcare Professionals Only

An image of the front of a NIOX VERO® FeNO testing device

The device of choice for FeNO testing1

Accurately assess airway inflammation at the point-of-care, with NIOX VERO®.

An image of two people, one performing a FeNO test on the NIOX VERO®, and another watching closely

Inhale. Exhale.

With NIOX VERO®, testing FeNO is as simple as inhaling and exhaling. Our unique breathing handle ensures your results are accurate.

Find out how →

An image of a patient performing a FeNO test on the NIOX VERO® with a doctor who is pointing at the device

Never-ending performance

Our pre-calibrated sensors just work, from the first test to the last test. Whenever you need a new sensor, simply replace in one click and resume testing.

See how →

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One test, one result

NIOX® protects your patients from failing a test. Flow Rate Control™ guides your patients to a successful test, leading to an accurate result each time, every time.

About Flow Rate Control™ →

FeNO testing made simple

Everything you need

Comprehensive suite of apps

Engaging video and audio animations

Dedicated child mode

Results in around one minute

Exceptionally efficient viral and bacterial filters

Not forgetting:

Reimbursement Support

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Get the reimbursement support you need

We’ve partnered with The Pinnacle Health Group to create a specialized reimbursement consultant team. Available live to assist your office billing or coding specialist, the Reimbursement Support Team can provide assistance on many coding topics and assist with appeals and underpayments.

Learn more →

See NIOX® on your desk

Augmented Reality

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See NIOX VERO® on your desk with our interactive augmented reality experience. Simply visit: on your mobile phone to see NIOX VERO® on your desk.

Scan QR Code to open on mobile →

Get started with NIOX VERO®

Join the thousands of healthcare professionals who have already performed over 50 million FeNO tests with NIOX®, and improve patient outcomes.

Click to learn more today


1. NIOX®. Data on File; MKT-DOF-006. March 2023. 2. Clapp LJ, Jenkin ME. Analysis of the relationship between ambient levels of O3, NO2 and NO as a function of NOx in the UK. Atmos Environ. 2001;35(36):6391-6405 3. Data on file C-NIOX-0009. NIOX Healthcare Ltd. 4. Data on file C-NIOX-0010. NIOX Healthcare Ltd. 5. American Thoracic Society; European Respiratory Society. ATS/ERS recommendations for standardized procedures for the online and offline measurement of exhaled lower respiratory nitric oxide and nasal nitric oxide, 2005. Am J Respir Crit Care Med. 2005;171(8):912-30.