1. H21 Other disorders of iris and ciliary body

    Excludes2

    • sympathetic uveitis (H44.1-)
    1. H21.0 Hyphema

      1. H21.00 Hyphema, unspecified eye

      2. H21.01 Hyphema, right eye

      3. H21.02 Hyphema, left eye

      4. H21.03 Hyphema, bilateral

    2. H21.1 Other vascular disorders of iris and ciliary body

      Inclusion term(s):

      • Neovascularization of iris or ciliary body
      • Rubeosis iridis
      • Rubeosis of iris
      1. H21.1X Other vascular disorders of iris and ciliary body

        • H21.1X1 Other vascular disorders of iris and ciliary body, right eye
        • H21.1X2 Other vascular disorders of iris and ciliary body, left eye
        • H21.1X3 Other vascular disorders of iris and ciliary body, bilateral
        • H21.1X9 Other vascular disorders of iris and ciliary body, unspecified eye
    3. H21.2 Degeneration of iris and ciliary body

      1. H21.21 Degeneration of chamber angle

        • H21.211 Degeneration of chamber angle, right eye
        • H21.212 Degeneration of chamber angle, left eye
        • H21.213 Degeneration of chamber angle, bilateral
        • H21.219 Degeneration of chamber angle, unspecified eye
      2. H21.22 Degeneration of ciliary body

        • H21.221 Degeneration of ciliary body, right eye
        • H21.222 Degeneration of ciliary body, left eye
        • H21.223 Degeneration of ciliary body, bilateral
        • H21.229 Degeneration of ciliary body, unspecified eye
      3. H21.23 Degeneration of iris (pigmentary)

        Inclusion term(s):

        • Translucency of iris
        • H21.231 Degeneration of iris (pigmentary), right eye
        • H21.232 Degeneration of iris (pigmentary), left eye
        • H21.233 Degeneration of iris (pigmentary), bilateral
        • H21.239 Degeneration of iris (pigmentary), unspecified eye
      4. H21.24 Degeneration of pupillary margin

        • H21.241 Degeneration of pupillary margin, right eye
        • H21.242 Degeneration of pupillary margin, left eye
        • H21.243 Degeneration of pupillary margin, bilateral
        • H21.249 Degeneration of pupillary margin, unspecified eye
      5. H21.25 Iridoschisis

      6. H21.26 Iris atrophy (essential) (progressive)

        • H21.261 Iris atrophy (essential) (progressive), right eye
        • H21.262 Iris atrophy (essential) (progressive), left eye
        • H21.263 Iris atrophy (essential) (progressive), bilateral
        • H21.269 Iris atrophy (essential) (progressive), unspecified eye
      7. H21.27 Miotic pupillary cyst

        • H21.271 Miotic pupillary cyst, right eye
        • H21.272 Miotic pupillary cyst, left eye
        • H21.273 Miotic pupillary cyst, bilateral
        • H21.279 Miotic pupillary cyst, unspecified eye
      8. H21.29 Other iris atrophy

    4. H21.3 Cyst of iris, ciliary body and anterior chamber

      1. H21.30 Idiopathic cysts of iris, ciliary body or anterior chamber

        Inclusion term(s):

        • Cyst of iris, ciliary body or anterior chamber NOS
        • H21.301 Idiopathic cysts of iris, ciliary body or anterior chamber, right eye
        • H21.302 Idiopathic cysts of iris, ciliary body or anterior chamber, left eye
        • H21.303 Idiopathic cysts of iris, ciliary body or anterior chamber, bilateral
        • H21.309 Idiopathic cysts of iris, ciliary body or anterior chamber, unspecified eye
      2. H21.31 Exudative cysts of iris or anterior chamber

        • H21.311 Exudative cysts of iris or anterior chamber, right eye
        • H21.312 Exudative cysts of iris or anterior chamber, left eye
        • H21.313 Exudative cysts of iris or anterior chamber, bilateral
        • H21.319 Exudative cysts of iris or anterior chamber, unspecified eye
      3. H21.32 Implantation cysts of iris, ciliary body or anterior chamber

        • H21.321 Implantation cysts of iris, ciliary body or anterior chamber, right eye
        • H21.322 Implantation cysts of iris, ciliary body or anterior chamber, left eye
        • H21.323 Implantation cysts of iris, ciliary body or anterior chamber, bilateral
        • H21.329 Implantation cysts of iris, ciliary body or anterior chamber, unspecified eye
      4. H21.33 Parasitic cyst of iris, ciliary body or anterior chamber

        • H21.331 Parasitic cyst of iris, ciliary body or anterior chamber, right eye
        • H21.332 Parasitic cyst of iris, ciliary body or anterior chamber, left eye
        • H21.333 Parasitic cyst of iris, ciliary body or anterior chamber, bilateral
        • H21.339 Parasitic cyst of iris, ciliary body or anterior chamber, unspecified eye
      5. H21.34 Primary cyst of pars plana

        • H21.341 Primary cyst of pars plana, right eye
        • H21.342 Primary cyst of pars plana, left eye
        • H21.343 Primary cyst of pars plana, bilateral
        • H21.349 Primary cyst of pars plana, unspecified eye
      6. H21.35 Exudative cyst of pars plana

        • H21.351 Exudative cyst of pars plana, right eye
        • H21.352 Exudative cyst of pars plana, left eye
        • H21.353 Exudative cyst of pars plana, bilateral
        • H21.359 Exudative cyst of pars plana, unspecified eye
    5. H21.4 Pupillary membranes

      Inclusion term(s):

      • Iris bombĂ©
      • Pupillary occlusion
      • Pupillary seclusion
      1. H21.40 Pupillary membranes, unspecified eye

      2. H21.41 Pupillary membranes, right eye

      3. H21.42 Pupillary membranes, left eye

      4. H21.43 Pupillary membranes, bilateral

    6. H21.5 Other and unspecified adhesions and disruptions of iris and ciliary body

      1. H21.50 Unspecified adhesions of iris

        Inclusion term(s):

        • Synechia (iris) NOS
        • H21.501 Unspecified adhesions of iris, right eye
        • H21.502 Unspecified adhesions of iris, left eye
        • H21.503 Unspecified adhesions of iris, bilateral
        • H21.509 Unspecified adhesions of iris and ciliary body, unspecified eye
      2. H21.51 Anterior synechiae (iris)

        • H21.511 Anterior synechiae (iris), right eye
        • H21.512 Anterior synechiae (iris), left eye
        • H21.513 Anterior synechiae (iris), bilateral
        • H21.519 Anterior synechiae (iris), unspecified eye
      3. H21.52 Goniosynechiae

        • H21.521 Goniosynechiae, right eye
        • H21.522 Goniosynechiae, left eye
        • H21.523 Goniosynechiae, bilateral
        • H21.529 Goniosynechiae, unspecified eye
      4. H21.53 Iridodialysis

      5. H21.54 Posterior synechiae (iris)

        • H21.541 Posterior synechiae (iris), right eye
        • H21.542 Posterior synechiae (iris), left eye
        • H21.543 Posterior synechiae (iris), bilateral
        • H21.549 Posterior synechiae (iris), unspecified eye
      6. H21.55 Recession of chamber angle

        • H21.551 Recession of chamber angle, right eye
        • H21.552 Recession of chamber angle, left eye
        • H21.553 Recession of chamber angle, bilateral
        • H21.559 Recession of chamber angle, unspecified eye
      7. H21.56 Pupillary abnormalities

        Inclusion term(s):

        • Deformed pupil
        • Ectopic pupil
        • Rupture of sphincter, pupil
        • H21.561 Pupillary abnormality, right eye
        • H21.562 Pupillary abnormality, left eye
        • H21.563 Pupillary abnormality, bilateral
        • H21.569 Pupillary abnormality, unspecified eye
    7. H21.8 Other specified disorders of iris and ciliary body

      1. H21.81 Floppy iris syndrome

        Inclusion term(s):

        • Intraoperative floppy iris syndrome (IFIS)
      2. H21.82 Plateau iris syndrome (post-iridectomy) (postprocedural)

      3. H21.89 Other specified disorders of iris and ciliary body

    8. H21.9 Unspecified disorder of iris and ciliary body

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.