H18.42
⚠ Non-billable (Header)Band keratopathy
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 H18.4Rules from parent category H18.4: Corneal degeneration
- • Mooren's ulcer (H16.0-)
- • recurrent erosion of cornea (H18.83-)
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CodeH18.42
BillableNo — Header code
ParentH18.4
CategoryDiseases of the eye and adnexa (H00-H59)
Excludes12 rule(s)
Excludes20 note(s)
Child codes4
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)