ICD-10-CM > H00-H59 > H15-H22 > H18 > H18.4 > H18.41 H18.41 Arcus senilis Non-Billable/Non-Specific Applicable To Senile corneal changes Codes H18.411Arcus senilis, right eyeH18.412Arcus senilis, left eyeH18.413Arcus senilis, bilateralH18.419Arcus senilis, unspecified eye