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H18.21

⚠ Non-billable (Header)

Corneal edema secondary to contact lens

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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⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • other corneal disorders due to contact lens (H18.82-)

Child Codes (4)

H18.211Corneal edema secondary to contact lens, right eyeH18.212Corneal edema secondary to contact lens, left eyeH18.213Corneal edema secondary to contact lens, bilateralH18.219Corneal edema secondary to contact lens, unspecified eye

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Code Information

CodeH18.21
BillableNo — Header code
ParentH18.2
CategoryDiseases of the eye and adnexa (H00-H59)
Excludes10 rule(s)
Excludes21 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)