The American Thoracic Society (ATS) have released a new clinical practice guideline, which recommends including FeNO* testing in usual care for asthma patients.

Close Window

* Fractional exhaled Nitric Oxide

NIOX® Infinity | United States |

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

For US Healthcare Professionals Only


NIOX® Infinity

The Gold Standard in FeNO testing – now more accessible than ever.

Managing your patient’s asthma never stops. Why should your asthma management equipment be any different? NIOX Infinity removes the device’s expiration date and puts in a guarantee: your NIOX device will work, or be repaired or replaced by the next business day.*

NIOX Infinity is a subscription service for the NIOX VERO® device. For a low monthly fee, your practice can test with FeNO by NIOX continuously, guaranteed.

Paitent Exhaling into NIOX VERO® - FeNO Testing Device

FeNO Management

No Device Expiration Dates: Replacement devices and accessories are covered in your subscription, and your NIOX device will never expire.

Inclusive: Your NIOX Infinity subscription includes the device and most accessories – no need for piece by piece ordering


FeNO Protection

Guaranteed Device: Experience any issues and your device will be repaired or replaced typically by the next business day.*

Choose the right plan for your business: Your initial order includes 100 tests and filters. Afterwards, choose and purchase the right number of tests for your business.

Paitent Exhaling into NIOX VERO® - FeNO Testing Device

FeNO Viability

Low Monthly Fee: Available at a low monthly cost to help make FeNO financially viable for your business.

Accurate and Practical Testing: Measuring FeNO with NIOX Infinity provides return-on-investment after only six tests.‡

Subscribe today!

To subscribe to NIOX Infinity, talk to your local NIOX representative or call 1-866-275-6469, option 3. If you’d like more information, please fill out the form below:

By completing this form, you are authorizing NIOX®, its agents, or vendors acting on behalf of NIOX® to:
- Send you information regarding NIOX® and its products and services
- Send you additional health, medical, or patient education information
- Contact you to seek your participation in other surveys or programs
NIOX® will not sell the data you provide to any third party, at any time. You may unsubscribe at any time. Clicking the GET INFO button signifies that you have read and agreed to our Privacy Notice.


* Due to FedEx cutoff times and localized delays, shipments may not always arrive within one business day. Please see terms and conditions for more information.

† After initial order, sensors and test kits are purchased separately and are not included in the NIOX Infinity subscription.

‡ Based on the average commercial insurance reimbursement.