Answer: D
K22.7 is the appropriate code for this case as it codes for Barret’s esophagus. Barret’s esophagus is a condition in which the lower portion of the esophagus is damaged which leads to symptoms like regurgitation, nausea, and vomiting.
Option A is not correct because K22.1 is used to specify ulcers in the esophagus, which is not the diagnosis here.
Option B is not correct because K22.3 is used to specify perforation in the esophagus, which is not the diagnosis here.
Option C is not correct because K22.5 is used to specify acquired diverticulum in the esophagus, which is not the diagnosis here.
