H21.309

H21.309: Idiopathic cysts of iris, ciliary body or anterior chamber, unspecified eye

Billable / specific codeICD-10-CMunspecified

H21.309 is a billable, specific ICD-10-CM code for idiopathic cysts of iris, ciliary body or anterior chamber, unspecified eye. It is valid for submission on a claim.

Check H21.309 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above H21.309

Not part of this code, but both may be coded when both are present.

Written on H21.3: Cyst of iris, ciliary body and anterior chamber

miotic pupillary cyst (H21.27-)

Written on H21: Other disorders of iris and ciliary body

sympathetic uveitis (H44.1-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

H21.309 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A57637Billing and Coding: Visual Field Examination

Alphabetic index entries that lead here

Cyst›iris

Code history

Unchanged in every release from FY2024 to FY2027.