H33.10Header code — not billable

Unspecified retinoschisis

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 H33.10?

H33.10 is an ICD-10-CM diagnosis code for Unspecified retinoschisis.

Is H33.10 a billable code?

No. H33.10 is a category/header code, not billable on its own — use one of its more specific child codes instead.

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

H33.10 falls under Chapter 7: Diseases of the eye and adnexa.

When did H33.10 become effective?

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

What other codes are related to H33.10?

H33.10 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.