ICD-10-CM > H00-H59 > H15-H22 > H16 > H16.1 > H16.10 H16.10 Unspecified superficial keratitis Non-Billable/Non-Specific Codes H16.101Unspecified superficial keratitis, right eyeH16.102Unspecified superficial keratitis, left eyeH16.103Unspecified superficial keratitis, bilateralH16.109Unspecified superficial keratitis, unspecified eye