Problem: 12-year-old brought to ED by mom for wasp sting in patient with history of asthma. Patient states he feels dizzy and short of breath. Peak flow done was normal. Lungs clear, rest of exam unremarkable. Patient given 25 mg of Benadryl po with resolution of symptoms. Assign code(s) for ED physician services. Assign the appropriate primary CPT procedure code for the above scenario.