ICD-10-CM > H00-H59 > H15-H22 > H18 > H18.6 > H18.60 H18.60 Keratoconus, unspecified Non-Billable/Non-Specific Codes H18.601Keratoconus, unspecified, right eyeH18.602Keratoconus, unspecified, left eyeH18.603Keratoconus, unspecified, bilateralH18.609Keratoconus, unspecified, unspecified eye