H21.541Billable

Posterior synechiae (iris), 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 H21.541?

H21.541 is an ICD-10-CM diagnosis code for Posterior synechiae (iris), right eye.

Is H21.541 a billable code?

Yes. H21.541 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is H21.541 in?

H21.541 falls under Chapter 7: Diseases of the eye and adnexa.

When did H21.541 become effective?

H21.541 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to H21.541?

H21.541 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.