A 15-year-old new patient has cystic fibrosis and is having problems with her pulmozyme, 1 mg, inhaler. this medication is used to thin the mucus that clogs her lungs. the patient is having moderate throat pain and slight tightness in her chest. the physician makes a home visit to gather hpi and ros and pertinent past personal medical information for a detailed history. what is the cpt-code?