H33.123Billable

Parasitic cyst of retina, bilateral

Chapter
7. Diseases of the eye and adnexa
Category
H33
Effective date
October 1, 2026

Related codes in category H33

Frequently asked questions

What is ICD-10 code H33.123?

H33.123 is an ICD-10-CM diagnosis code for Parasitic cyst of retina, bilateral.

Is H33.123 a billable code?

Yes. H33.123 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is H33.123 in?

H33.123 falls under Chapter 7: Diseases of the eye and adnexa.

When did H33.123 become effective?

H33.123 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to H33.123?

H33.123 belongs to category H33, 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.