Clinicаl Cоding Wоrkоut Chаpter 4, question 4.16 1 point per code (4 diаgnostic) DRG and POA are not reported This nursing home patient is admitted with extensive cellulitis of the abdominal wall. The examination performed reveals that his existing gastrostomy site is infected. He had a feeding tube inserted four months ago because of carcinoma of the middle esophagus. The physician confirms that the responsible organism is Staphylococcus aureus.