ICD-10-CM > H00-H59 > H15-H22 > H16 > H16.4 > H16.43 H16.43 Localized vascularization of cornea Non-Billable/Non-Specific Codes H16.431Localized vascularization of cornea, right eyeH16.432Localized vascularization of cornea, left eyeH16.433Localized vascularization of cornea, bilateralH16.439Localized vascularization of cornea, unspecified eye