H18.3 - Changes of corneal membranes
H18.32 - Folds in Descemet's membrane
H18.321 - Folds in Descemet's membrane, right eye
H18.322 - Folds in Descemet's membrane, left eye
H18.323 - Folds in Descemet's membrane, bilateral
H18.329 - Folds in Descemet's membrane, unspecified eye