H21.3 — Cyst of iris, ciliary body and anterior chamber
Is H21.3 billable?
No — H21.3 is a non-billable header code. H21.3 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 24 billable codes beneath H21.3.
Billable codes under this header
- H21.301Idiopathic cysts of iris, ciliary body or anterior chamber, right eye
- H21.302Idiopathic cysts of iris, ciliary body or anterior chamber, left eye
- H21.303Idiopathic cysts of iris, ciliary body or anterior chamber, bilateral
- H21.309Idiopathic cysts of iris, ciliary body or anterior chamber, unspecified eye
- H21.311Exudative cysts of iris or anterior chamber, right eye
- H21.312Exudative cysts of iris or anterior chamber, left eye
- H21.313Exudative cysts of iris or anterior chamber, bilateral
- H21.319Exudative cysts of iris or anterior chamber, unspecified eye
- H21.321Implantation cysts of iris, ciliary body or anterior chamber, right eye
- H21.322Implantation cysts of iris, ciliary body or anterior chamber, left eye
- H21.323Implantation cysts of iris, ciliary body or anterior chamber, bilateral
- H21.329Implantation cysts of iris, ciliary body or anterior chamber, unspecified eye
- H21.331Parasitic cyst of iris, ciliary body or anterior chamber, right eye
- H21.332Parasitic cyst of iris, ciliary body or anterior chamber, left eye
- H21.333Parasitic cyst of iris, ciliary body or anterior chamber, bilateral
- H21.339Parasitic cyst of iris, ciliary body or anterior chamber, unspecified eye
- H21.341Primary cyst of pars plana, right eye
- H21.342Primary cyst of pars plana, left eye
- H21.343Primary cyst of pars plana, bilateral
- H21.349Primary cyst of pars plana, unspecified eye
- H21.351Exudative cyst of pars plana, right eye
- H21.352Exudative cyst of pars plana, left eye
- H21.353Exudative cyst of pars plana, bilateral
- H21.359Exudative cyst of pars plana, unspecified eye
H21.3 at a glance
| Code | H21.3 |
|---|---|
| Description | Cyst of iris, ciliary body and anterior chamber |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of H21.3, but a patient may have both at the same time. When documentation supports it, H21.3 and the excluded code may both be reported.
- miotic pupillary cyst (H21.27-)
Excludes2 — not included here — inherited from Chapter 7
The conditions below are not part of H21.3, but a patient may have both at the same time. When documentation supports it, H21.3 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury (trauma) of eye and orbit (S05.-)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)
Excludes2 — not included here — inherited from H21
The conditions below are not part of H21.3, but a patient may have both at the same time. When documentation supports it, H21.3 and the excluded code may both be reported.
- sympathetic uveitis (H44.1-)
What codes fall under H21.3? (6)
- H21.30Idiopathic cysts of iris, ciliary body or anterior chambernot billable
- H21.31Exudative cysts of iris or anterior chambernot billable
- H21.32Implantation cysts of iris, ciliary body or anterior chambernot billable
- H21.33Parasitic cyst of iris, ciliary body or anterior chambernot billable
- H21.34Primary cyst of pars plananot billable
- H21.35Exudative cyst of pars plananot billable
How long has H21.3 existed?
H21.3 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the H21 family? (7)
- H21.0Hyphemanot billable
- H21.1Other vascular disorders of iris and ciliary bodynot billable
- H21.2Degeneration of iris and ciliary bodynot billable
- H21.4Pupillary membranesnot billable
- H21.5Other and unspecified adhesions and disruptions of iris and ciliary bodynot billable
- H21.8Other specified disorders of iris and ciliary bodynot billable
- H21.9Unspecified disorder of iris and ciliary body