ICD-10-CM > H00-H59 > H15-H22 > H18 > H18.4 > H18.42 H18.42 Band keratopathy Non-Billable/Non-Specific Codes H18.421Band keratopathy, right eyeH18.422Band keratopathy, left eyeH18.423Band keratopathy, bilateralH18.429Band keratopathy, unspecified eye