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Updated: Mar 26, 2026

A Novel Inhalation Mask System to Deliver High Concentrations of Nitric Oxide Gas in Spontaneously Breathing Subjects
Published on: May 4, 2021
Update on Exhaled Nitric Oxide in Clinical Practice.
Srinivas R Mummadi1, Peter Y Hahn1
1Department of Pulmonary, Critical Care, and Sleep Medicine, Tuality Healthcare, Hillsboro, OR.
Fractional exhaled nitric oxide (Feno) testing can help manage asthma by identifying allergic airway inflammation. This review covers Feno testing coverage and reimbursement for better patient care.
Area of Science:
- Pulmonology
- Allergy Immunology
Background:
- Asthma involves chronic airway inflammation.
- Fractional exhaled nitric oxide (Feno) indicates T-helper cell type 2 allergic airway inflammation.
- Feno testing is increasingly used as a point-of-care tool for asthma management.
Purpose of the Study:
- To review current coverage and reimbursement issues for Feno testing.
- To provide an overview of recent studies on Feno testing in asthma management.
Main Methods:
- Literature review of studies on Feno testing.
- Analysis of coverage and reimbursement policies.
Main Results:
- Feno testing is a valuable tool for managing allergic airway inflammation in asthma.
- Understanding coverage and reimbursement is crucial for clinical implementation.
Conclusions:
- Feno testing offers a point-of-care solution for asthma management.
- Further research and policy clarification are needed to optimize Feno testing accessibility.
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