ICD-10-CM > H00-H59 > H15-H22 > H21 > H21.1 > H21.1X H21.1X Other vascular disorders of iris and ciliary body Non-Billable/Non-Specific Codes H21.1X1Other vascular disorders of iris and ciliary body, right eyeH21.1X2Other vascular disorders of iris and ciliary body, left eyeH21.1X3Other vascular disorders of iris and ciliary body, bilateralH21.1X9Other vascular disorders of iris and ciliary body, unspecified eye