ICD-10-CM > H00-H59 > H15-H22 > H16 > H16.0 > H16.01 H16.01 Central corneal ulcer Non-Billable/Non-Specific Codes H16.011Central corneal ulcer, right eyeH16.012Central corneal ulcer, left eyeH16.013Central corneal ulcer, bilateralH16.019Central corneal ulcer, unspecified eye