PFTs spirometry—lung volume and/or bronchodilator
Arterial Blood Gases—room air, exercise on room air, volume of O2, exercise on a volume of O2, or O2 assessment to evaluate saturation Not needed for pediatric patients
Oximetry—room air, exercise on room air, volume of O2, exercise on a volume of O2, or O2 assessment to evaluate saturation
Sputum induction—one or more cultures, microbiology preps, cytology, or other specified analysis Not needed for pediatric patients
Bedside spirometry—lung volume and/or bronchodilator
Bronchoscopy: Bronchial alveolar lavage, biopsy, visualization examination
Ventilatory response: O2, CO2
Exercise study: Level 1, Level 2 (arterial catheter), Level 3 (arterial and pulmonary artery catheters); nuclear imaging order Only Level 1 appropriate for pediatric patients