Suppose after a high-smog alert day in your city, a 5-year-old child with asthma, a 50-year-old male smoker with emphysema, and a 75-year-old of average health all come to the emergency room complaining of a cough and chest pain. which patient's health would you be the most concerned about and why?

This patient undergoes a gallbladder sonogram due to epigastric pain. the report indicates that the visualized portions of the liver are normal. no free fluid noted within morisons pouch. the gallbladder is identified and is empty no evidence of wall thickening or surrounding fluid is seen there is no ductal dilation. the common hepatic duct and common bile duct measure 0.4 and 0.8 cm respectively. the common bile ductmeasurement is at the upper limits of normal what cpt code in icd-10 cm code was used