| H21221 | Degeneration of ciliary body, right eye |
| H21222 | Degeneration of ciliary body, left eye |
| H21223 | Degeneration of ciliary body, bilateral |
| H21229 | Degeneration of ciliary body, unspecified eye |
| H2123 | Degeneration of iris (pigmentary) |
| H21231 | Degeneration of iris (pigmentary), right eye |
| H21232 | Degeneration of iris (pigmentary), left eye |
| H21233 | Degeneration of iris (pigmentary), bilateral |
| H21239 | Degeneration of iris (pigmentary), unspecified eye |
| H2124 | Degeneration of pupillary margin |
| H21241 | Degeneration of pupillary margin, right eye |
| H21242 | Degeneration of pupillary margin, left eye |
| H21243 | Degeneration of pupillary margin, bilateral |
| H21249 | Degeneration of pupillary margin, unspecified eye |
| H2125 | Iridoschisis |
| H21251 | Iridoschisis, right eye |
| H21252 | Iridoschisis, left eye |
| H21253 | Iridoschisis, bilateral |
| H21259 | Iridoschisis, unspecified eye |
| H2126 | Iris atrophy (essential) (progressive) |
| H21261 | Iris atrophy (essential) (progressive), right eye |
| H21262 | Iris atrophy (essential) (progressive), left eye |
| H21263 | Iris atrophy (essential) (progressive), bilateral |
| H21269 | Iris atrophy (essential) (progressive), unspecified eye |
| H2127 | Miotic pupillary cyst |
| H21271 | Miotic pupillary cyst, right eye |
| H21272 | Miotic pupillary cyst, left eye |
| H21273 | Miotic pupillary cyst, bilateral |
| H21279 | Miotic pupillary cyst, unspecified eye |
| H2129 | Other iris atrophy |
| H213 | Cyst of iris, ciliary body and anterior chamber |
| H2130 | Idiopathic cysts of iris, ciliary body or anterior chamber |
| H21301 | Idiopathic cysts of iris, ciliary body or anterior chamber, right eye |
| H21302 | Idiopathic cysts of iris, ciliary body or anterior chamber, left eye |
| H21303 | Idiopathic cysts of iris, ciliary body or anterior chamber, bilateral |
| H21309 | Idiopathic cysts of iris, ciliary body or anterior chamber, unspecified eye |
| H2131 | Exudative cysts of iris or anterior chamber |
| H21311 | Exudative cysts of iris or anterior chamber, right eye |
| H21312 | Exudative cysts of iris or anterior chamber, left eye |
| H21313 | Exudative cysts of iris or anterior chamber, bilateral |
| H21319 | Exudative cysts of iris or anterior chamber, unspecified eye Exudative cysts of iris or anterior chamber, unspecified eye |
| H2132 | Implantation cysts of iris, ciliary body or anterior chamber Implantation cysts of iris, ciliary body or anterior chamber |
| H21321 | Implantation cysts of iris, ciliary body or anterior chamber, right eye |
| H21322 | Implant cysts of iris, ciliary body or ant chamber, left eye Implantation cysts of iris, ciliary body or anterior chamber, left eye |
| H21323 | Implantation cysts of iris, ciliary body or anterior chamber, bilateral |
| H21329 | Implant cysts of iris, ciliary body or ant chamber, unsp eye Implantation cysts of iris, ciliary body or anterior chamber, unspecified eye |
| H2133 | Parasitic cyst of iris, ciliary body or anterior chamber |
| H21331 | Parastc cyst of iris, ciliary body or ant chamber, right eye Parasitic cyst of iris, ciliary body or anterior chamber, right eye |
| H21332 | Parasitic cyst of iris, ciliary body or anterior chamber, left eye |
| H21333 | Parasitic cyst of iris, ciliary body or anterior chamber, bilateral |