CPT Knowledgebase - Feb 3, 2010

How many times can the inhalation treatment, code 94640, Pressurized or nonpressurized inhalation treatment for acute airway obstruction or for sputum induction for diagnostic purposes (eg, with an aerosol generator, nebulizer, metered dose inhaler or intermittent positive pressure breathing (IPPB) device), be reported?

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