Commissioning summary
Diagnosis
Evidence and costs
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Using fractional exhaled nitric oxide (FeNO) testing as part of the diagnostic pathway can improve the accuracy of diagnosis in adults and children.
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The impact of changes to the diagnostic testing pathway can be assessed using our resource impact template.
Barriers
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Investment in equipment and training for both FeNO and bronchial challenge testing would be needed to meet this recommendation.
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If tests are not available in primary care, this could increase referrals to other respiratory services (specialist services, specialist hubs, secondary care).
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