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H18.79

⚠ Non-billable (Header)

Other corneal deformities

Diseases of the eye and adnexa (H00-H59)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited from H18.7

Rules from parent category H18.7: Other and unspecified corneal deformities

  • • congenital malformations of cornea (Q13.3-Q13.4)

Child Codes (4)

H18.791Other corneal deformities, right eyeH18.792Other corneal deformities, left eyeH18.793Other corneal deformities, bilateralH18.799Other corneal deformities, unspecified eye

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Code Information

CodeH18.79
BillableNo — Header code
ParentH18.7
CategoryDiseases of the eye and adnexa (H00-H59)
Excludes11 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)