ICD-10-CM > H00-H59 > H15-H22 > H21 > H21.2 > H21.25 H21.25 Iridoschisis Non-Billable/Non-Specific Codes H21.251Iridoschisis, right eyeH21.252Iridoschisis, left eyeH21.253Iridoschisis, bilateralH21.259Iridoschisis, unspecified eye