ICD-10-CM > H00-H59 > H15-H22 > H16 > H16.0 > H16.05 H16.05 Mooren's corneal ulcer Non-Billable/Non-Specific Codes H16.051Mooren's corneal ulcer, right eyeH16.052Mooren's corneal ulcer, left eyeH16.053Mooren's corneal ulcer, bilateralH16.059Mooren's corneal ulcer, unspecified eye