H21.301Billable

Idiopathic cysts of iris, ciliary body or anterior chamber, right eye

Short description: Idio cysts of iris, ciliary body or ant chamber, right eye

Chapter
7. Diseases of the eye and adnexa
Category
H21
Effective date
October 1, 2026

Related codes in category H21

Frequently asked questions

What is ICD-10 code H21.301?

H21.301 is an ICD-10-CM diagnosis code for Idiopathic cysts of iris, ciliary body or anterior chamber, right eye.

Is H21.301 a billable code?

Yes. H21.301 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is H21.301 in?

H21.301 falls under Chapter 7: Diseases of the eye and adnexa.

When did H21.301 become effective?

H21.301 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to H21.301?

H21.301 belongs to category H21, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.