H10
⚠ Non-billable (Header)Conjunctivitis
Diseases of the eye and adnexa (H00-H59)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
directThese codes are mutually exclusive. Never code them together.
- • keratoconjunctivitis (H16.2-)
Child Codes (8)
Clinical Description
ICD-10-CM code H10 represents conjunctivitis. This code falls under the Diseases of the eye and adnexa (H00-H59) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
Frequently Asked Questions
What is ICD-10 code H10?
ICD-10-CM code H10 is "Conjunctivitis". It belongs to the category: Diseases of the eye and adnexa (H00-H59).
Is H10 a billable ICD-10 code?
No, H10 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with H10?
H10 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)