Q: Child got under the kitchen sink ingesting a variety of caustic agents, vomiting induced immediately but chemical burn and sloughing of esophageal lining documented. No gastric injury evident. Please code this injury

A: The actual region of the esophagus injured is not stated as thorax( below the sternal notch) or to the neck so the default code is to the neck region. This is an ingestion injury with partial thickness necrosis, the sloughing of the lining of the esophagus, 340104.3