H18.22 - Idiopathic corneal edema H18.2 - Other and unspecified corneal edema H18.22 - Idiopathic corneal edema
H18.221 - Idiopathic corneal edema, right eye H18.222 - Idiopathic corneal edema, left eye H18.223 - Idiopathic corneal edema, bilateral H18.229 - Idiopathic corneal edema, unspecified eye