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H16.20

⚠ Non-billable (Header)

Unspecified keratoconjunctivitis

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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Also Known As

Superficial keratitis with conjunctivitis NOS
✅ No additional coding notes for H16.20

Child Codes (4)

H16.201Unspecified keratoconjunctivitis, right eyeH16.202Unspecified keratoconjunctivitis, left eyeH16.203Unspecified keratoconjunctivitis, bilateralH16.209Unspecified keratoconjunctivitis, unspecified eye

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Code Information

CodeH16.20
BillableNo — Header code
ParentH16.2
CategoryDiseases of the eye and adnexa (H00-H59)
Excludes10 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)