H21.3
Header — not billableCyst of iris, ciliary body and anterior chamber
The ICD-10 code for cyst of iris, ciliary body and anterior chamber is H21.3.
H21.3 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- miotic pupillary cyst (H21.27-)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under H21.3
- H21.30Idiopathic cysts of iris, ciliary body or anterior chambernon-billable header
- H21.31Exudative cysts of iris or anterior chambernon-billable header
- H21.32Implantation cysts of iris, ciliary body or anterior chambernon-billable header
- H21.33Parasitic cyst of iris, ciliary body or anterior chambernon-billable header
- H21.34Primary cyst of pars plananon-billable header
- H21.35Exudative cyst of pars plananon-billable header
Related codes in this category
- H21.0Hyphemanon-billable header
- H21.1Other vascular disorders of iris and ciliary bodynon-billable header
- H21.2Degeneration of iris and ciliary bodynon-billable header
- H21.4Pupillary membranesnon-billable header
- H21.5Other and unspecified adhesions and disruptions of iris and ciliary bodynon-billable header
- H21.8Other specified disorders of iris and ciliary bodynon-billable header
- H21.9Unspecified disorder of iris and ciliary body
- H21.3Cyst of iris, ciliary body and anterior chambernon-billable header