How is hypopnea defined in terms of Nationally Covered Indications (NCI)?
Hypopnea is defined as an abnormal respiratory event lasting at least 10 seconds with at least a 30% reduction in thoracoabdominal movement or airflow as compared to baseline and with at least a 4% oxygen desaturation.
This question was answered in our Coding Essentials for RT/Pulmonary Function. For more hot topics relating to respiratory therapy services, please visit our store or call us at 1.800.252.1578, ext. 2.