Table 2.

The LA classification of esophagitis

Grade	Endoscopic description
LA grade A	One or more mucosal break <5 mm that does not extend between the top of two mucosal folds
LA grade B	One or more mucosal break >5 mm that does not extend between the top of two folds
LA grade C	One or more mucosal break that is continuous between the top of two or more mucosal break, but which involves <75% of the circumference
LA grade D	One or more mucosal break which involves at least 75% of the esophageal circumference

LA=Los Angeles