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H10.4

⚠ Non-billable (Header)

Chronic conjunctivitis

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 H10

Rules from parent category H10: Conjunctivitis

  • • keratoconjunctivitis (H16.2-)

Child Codes (6)

H10.40Unspecified chronic conjunctivitisH10.41Chronic giant papillary conjunctivitisH10.42Simple chronic conjunctivitisH10.43Chronic follicular conjunctivitisH10.44Vernal conjunctivitisH10.45Other chronic allergic conjunctivitis

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Code Information

CodeH10.4
BillableNo — Header code
ParentH10
CategoryDiseases of the eye and adnexa (H00-H59)
Excludes11 rule(s)
Excludes20 note(s)
Child codes6

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)