ICD-10-CM > H00-H59 > H15-H22 > H16 > H16.0 > H16.00 H16.00 Unspecified corneal ulcer Non-Billable/Non-Specific Codes H16.001Unspecified corneal ulcer, right eyeH16.002Unspecified corneal ulcer, left eyeH16.003Unspecified corneal ulcer, bilateralH16.009Unspecified corneal ulcer, unspecified eye