Diseases of the eye and adnexa
12 sections · 3,216 total codes · 2,427 billable
About Chapter H00-H59
ICD-10-CM Chapter H00-H59 covers diseases of the eye and adnexa. The chapter contains 12 sections (code blocks) and 3,216 total codes - 2,427 are billable on a claim, the rest are non-billable headers used to organize the hierarchy.
Browse below by section, or jump straight to the most-billed codes in this chapter. Every code page includes Type 1/2 Excludes, Inclusion Terms, ICD-9 GEMs crosswalk, HCC mapping, LCD coverage, and payer-specific policies.
Most-Searched Diagnoses in This Chapter
Codes with the most LCD coverage, payer policies, and CPT linkages, proxies for what billers look up most.
All Sections in H00-H59
Each section is a code block (e.g. E08-E13 = Diabetes mellitus). Click a section to see all codes inside.
Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team