94010

Spirometry Complete, includes graphic record total and timed vital capacity, expiratory flow rate measurement(s) with or without maximal voluntary ventilation

94060

Bronchodilation Responsiveness, spirometry as in 94010, pre- and post bronchodilator or exercise

94070

Bronchospasm Provocation Evaluation , multiple spirometric determinations as in 94010, with administered agents (e.g. antigen(s), cold air, methacholine).

94150

Vital Capacity, total (separate procedure)

94200

Maximal Voluntary Ventilation, maximum breath capacity

94375

Respiratory Flow Volume Loop

95070

Inhalation Bronchial Challenge Testing, (not including necessary pulmonary function tests), with histamine, methacholine or similar compounds

94664

Bronchodilator Administration, demonstration and/or evaluation of patient utilization of an aerosol generator, nebulizer, meter dose inhaler or IPPB device.

91065

Breath Hydrogen Test , (e.g., for detection of lactase deficiency) fructose intolerance, bacterial overgrowth or oro-cecal gastrointestinal transit.

94250

Expired Gas Collection , quantitative, single procedure (separate procedure) (Carbon Monoxide)

94360

Determination of Resistance to Airflow

92552

Pure Tone Audiometry (Threshold), air only