CPT added 94644 Continuous inhalation treatment with aerosol medication for acute airway obstruction; first hour and add-on code 94645 Continuous inhalation ... Codes 94644 and 94645 are time based, ...

Although coding intensity arising from in-home health risk assessments and linked and unlinked chart reviews has received more attention recently, 4 – 7 isolating separate trends for these three ...