ICD-10-CM > H00-H59 > H15-H22 > H21 > H21.2 H21.2 Degeneration of iris and ciliary body Non-Billable/Non-Specific Codes H21.21Degeneration of chamber angleH21.211Degeneration of chamber angle, right eyeH21.212Degeneration of chamber angle, left eyeH21.213Degeneration of chamber angle, bilateralH21.219Degeneration of chamber angle, unspecified eyeH21.22Degeneration of ciliary bodyH21.221Degeneration of ciliary body, right eyeH21.222Degeneration of ciliary body, left eyeH21.223Degeneration of ciliary body, bilateralH21.229Degeneration of ciliary body, unspecified eyeH21.23Degeneration of iris (pigmentary)H21.231Degeneration of iris (pigmentary), right eyeH21.232Degeneration of iris (pigmentary), left eyeH21.233Degeneration of iris (pigmentary), bilateralH21.239Degeneration of iris (pigmentary), unspecified eyeH21.24Degeneration of pupillary marginH21.241Degeneration of pupillary margin, right eyeH21.242Degeneration of pupillary margin, left eyeH21.243Degeneration of pupillary margin, bilateralH21.249Degeneration of pupillary margin, unspecified eyeH21.25IridoschisisH21.251Iridoschisis, right eyeH21.252Iridoschisis, left eyeH21.253Iridoschisis, bilateralH21.259Iridoschisis, unspecified eyeH21.26Iris atrophy (essential) (progressive)H21.261Iris atrophy (essential) (progressive), right eyeH21.262Iris atrophy (essential) (progressive), left eyeH21.263Iris atrophy (essential) (progressive), bilateralH21.269Iris atrophy (essential) (progressive), unspecified eyeH21.27Miotic pupillary cystH21.271Miotic pupillary cyst, right eyeH21.272Miotic pupillary cyst, left eyeH21.273Miotic pupillary cyst, bilateralH21.279Miotic pupillary cyst, unspecified eyeH21.29Other iris atrophy
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