ICD-10-CM
ICD-10 code for Disease, diseased ciliary body: H21.9
The ICD-10-CM index points "Disease, diseased ciliary body" to H21.9, Unspecified disorder of iris and ciliary body. H21.9 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
More specific codes in H21
A header groups codes and is not billed. A billable code is one you can report.
- H21Other disorders of iris and ciliary bodyHeader
- H21.0HyphemaHeader
- H21.00Hyphema, unspecified eyeBillable
- H21.01Hyphema, right eyeBillable
- H21.02Hyphema, left eyeBillable
- H21.03Hyphema, bilateralBillable
- H21.1Other vascular disorders of iris and ciliary bodyHeader
- H21.1XOther vascular disorders of iris and ciliary bodyHeader
- H21.2Degeneration of iris and ciliary bodyHeader
- H21.21Degeneration of chamber angleHeader
- H21.22Degeneration of ciliary bodyHeader
- H21.23Degeneration of iris (pigmentary)Header
- H21.24Degeneration of pupillary marginHeader
- H21.25IridoschisisHeader
- H21.26Iris atrophy (essential) (progressive)Header
- H21.27Miotic pupillary cystHeader
- H21.29Other iris atrophyBillable
- H21.3Cyst of iris, ciliary body and anterior chamberHeader
- H21.30Idiopathic cysts of iris, ciliary body or anterior chamberHeader
- H21.31Exudative cysts of iris or anterior chamberHeader
- H21.32Implantation cysts of iris, ciliary body or anterior chamberHeader
- H21.33Parasitic cyst of iris, ciliary body or anterior chamberHeader
- H21.34Primary cyst of pars planaHeader
- H21.35Exudative cyst of pars planaHeader
- H21.4Pupillary membranesHeader
- H21.40Pupillary membranes, unspecified eyeBillable
- H21.41Pupillary membranes, right eyeBillable
- H21.42Pupillary membranes, left eyeBillable
- H21.43Pupillary membranes, bilateralBillable
- H21.5Other and unspecified adhesions and disruptions of iris and ciliary bodyHeader
- H21.50Unspecified adhesions of irisHeader
- H21.51Anterior synechiae (iris)Header
- H21.52GoniosynechiaeHeader
- H21.53IridodialysisHeader
- H21.54Posterior synechiae (iris)Header
- H21.55Recession of chamber angleHeader
- H21.56Pupillary abnormalitiesHeader
- H21.8Other specified disorders of iris and ciliary bodyHeader
- H21.81Floppy iris syndromeBillable
- H21.82Plateau iris syndrome (post-iridectomy) (postprocedural)Billable
- H21.89Other specified disorders of iris and ciliary bodyBillable
- H21.9Unspecified disorder of iris and ciliary bodyBillable
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From H21. A note on a category applies to every code under it.
Related conditions
Related pages
- H21.9 code detailsNotes, nearby codes, CMS-HCC group
- Category H21Every code under it
- Chapter 7Diseases of the eye and adnexa
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Disease, diseased ciliary body?
The ICD-10-CM index points "Disease, diseased ciliary body" to H21.9, Unspecified disorder of iris and ciliary body. H21.9 is a billable code.
Is H21.9 billable?
Yes. H21.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to H21.9?
The CDC tabular list gives 1 Excludes2 note (may be coded together when both are documented) for H21.9 and the categories above it. They are listed on this page.
What chapter is H21.9 in?
Chapter 7. Diseases of the eye and adnexa.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.