Assignment Task: A 53-year-old male is seen in the office for a skin problem on the right arm. It started two days ago as mild redness and has developed into an area of severe itching, is swollen with dark red blotches, and has an area of open weeping. The patient has type 2 diabetes melitus, diabetic peripheral vascular disease, and a previous MRSA infection. A medically appropriate history and examination are documented. The physician diagnosis cellulitis of the right upper arm and obtains cultures from the open area. To speed the start of treatment, the physician administers one dose of 300mg Clindamycin IV push at the office before sending the patient to the observation unit at the hospital where he will be under the care of the hospitalist. The physician orders continued doses of antibiotic every six hours for the next 48 hours. The patient's primary insurance is Blue Cross. What is the appropriate code sets for physician reporting of these services? Do not code laboratory services.