H18.2 Other and unspecified corneal edemaNon-billable header with 4 child codes.
H18.20 Unspecified corneal edemaH18.21 Corneal edema secondary to contact lensH18.22 Idiopathic corneal edemaH18.23 Secondary corneal edemaH18.1 Bullous keratopathyH18.10 Bullous keratopathy, unspecified eyeH18.11 Bullous keratopathy, right eyeH18.12 Bullous keratopathy, left eyeH18.13 Bullous keratopathy, bilateralH18.2 Other and unspecified corneal edema (this code)H18.20 Unspecified corneal edemaH18.21 Corneal edema secondary to contact lensH18.211 Corneal edema secondary to contact lens, right eyeH18.212 Corneal edema secondary to contact lens, left eyeH18.213 Corneal edema secondary to contact lens, bilateral