H26.4
⚠ Non-billable (Header)Secondary cataract
Diseases of the eye and adnexa (H00-H59)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from H26Rules from parent category H26: Other cataract
- • congenital cataract (Q12.0)
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CodeH26.4
BillableNo — Header code
ParentH26
CategoryDiseases of the eye and adnexa (H00-H59)
Excludes11 rule(s)
Excludes20 note(s)
Child codes3
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)