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H10.3

⚠ Non-billable (Header)

Unspecified acute 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

direct

Cannot be coded with H10.3

  • • ophthalmia neonatorum NOS (P39.1)

❌ Excludes1

inherited from H10

Rules from parent category H10: Conjunctivitis

  • • keratoconjunctivitis (H16.2-)

Child Codes (4)

H10.30Unspecified acute conjunctivitis, unspecified eyeH10.31Unspecified acute conjunctivitis, right eyeH10.32Unspecified acute conjunctivitis, left eyeH10.33Unspecified acute conjunctivitis, bilateral

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Code Information

CodeH10.3
BillableNo — Header code
ParentH10
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)