ICD-10-CM Diagnosis Code (2025)
Official Description for H21
Other disorders of iris and ciliary body
Coding Notes & Guidelines for H21
Excludes1: Not Coded Here
traumatic hyphema (S05.1-)
Excludes1: Not Coded Here
congenital pupillary membranes (Q13.8)
Excludes1: Not Coded Here
corectopia (Q13.2)
Excludes1: Not Coded Here
congenital deformity of pupil (Q13.2-)
Excludes2: Not Included Here
sympathetic uveitis (H44.1-)
Excludes2: Not Included Here
miotic pupillary cyst (H21.27-)
Use Additional Code
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Inclusion Terms
- Neovascularization of iris or ciliary body
- Rubeosis iridis
- Rubeosis of iris
Inclusion Terms
Translucency of iris
Inclusion Terms
Cyst of iris, ciliary body or anterior chamber NOS
Inclusion Terms
- Iris bombé
- Pupillary occlusion
- Pupillary seclusion
Inclusion Terms
Synechia (iris) NOS
Inclusion Terms
- Deformed pupil
- Ectopic pupil
- Rupture of sphincter, pupil
Inclusion Terms
Intraoperative floppy iris syndrome (IFIS)
Child Codes (More Specific Codes for H21):
H21.0 - Hyphema
H21.00 - Hyphema, unspecified eye
H21.01 - Hyphema, right eye
H21.02 - Hyphema, left eye
H21.03 - Hyphema, bilateral
H21.1 - Other vascular disorders of iris and ciliary body
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
H21.2 - Degeneration of iris and ciliary body
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
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
H21.23 - Degeneration of iris (pigmentary)
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
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
H21.25 - Iridoschisis
H21.251 - Iridoschisis, right eye
H21.252 - Iridoschisis, left eye
H21.253 - Iridoschisis, bilateral
H21.259 - Iridoschisis, unspecified eye
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
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
H21.29 - Other iris atrophy
H21.3 - Cyst of iris, ciliary body and anterior chamber
H21.30 - Idiopathic cysts of iris, ciliary body or anterior chamber
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
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
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
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
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
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
H21.4 - Pupillary membranes
H21.40 - Pupillary membranes, unspecified eye
H21.41 - Pupillary membranes, right eye
H21.42 - Pupillary membranes, left eye
H21.43 - Pupillary membranes, bilateral
H21.5 - Other and unspecified adhesions and disruptions of iris and ciliary body
H21.50 - Unspecified adhesions of iris
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
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
H21.52 - Goniosynechiae
H21.521 - Goniosynechiae, right eye
H21.522 - Goniosynechiae, left eye
H21.523 - Goniosynechiae, bilateral
H21.529 - Goniosynechiae, unspecified eye
H21.53 - Iridodialysis
H21.531 - Iridodialysis, right eye
H21.532 - Iridodialysis, left eye
H21.533 - Iridodialysis, bilateral
H21.539 - Iridodialysis, unspecified eye
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
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
H21.56 - Pupillary abnormalities
H21.561 - Pupillary abnormality, right eye
H21.562 - Pupillary abnormality, left eye
H21.563 - Pupillary abnormality, bilateral
H21.569 - Pupillary abnormality, unspecified eye
H21.8 - Other specified disorders of iris and ciliary body
H21.81 - Floppy iris syndrome
H21.82 - Plateau iris syndrome (post-iridectomy) (postprocedural)
H21.89 - Other specified disorders of iris and ciliary body
H21.9 - Unspecified disorder of iris and ciliary body
About ICD-10-CM Code H21 (Other disorders of iris and ciliary body)
ICD-10-CM code H21 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM H21 became effective on October 1, 2024.
This page provides detailed information about H21 - Other disorders of iris and ciliary body. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other disorders of iris and ciliary body.