H10.3
Non-billableUnspecified acute conjunctivitis
H10.3 is the ICD-10-CM code for Unspecified acute conjunctivitis. It is a non-billable category code — use a more specific child code such as H10.30 for billing.
H00-H59 Diseases of the eye and adnexa
Excludes1 — not coded here
- •ophthalmia neonatorum NOS (P39.1)
Frequently asked questions
- What is ICD-10 code H10.3?
- H10.3 is the ICD-10-CM code for "Unspecified acute conjunctivitis". It falls under H00-H59 Diseases of the eye and adnexa.
- Is H10.3 a billable code?
- No — H10.3 is a non-billable header code. Use a more specific child code (such as H10.30) for billing.
- What are the subcodes of H10.3?
- H10.3 has 4 more specific child codes, including H10.30, H10.31, H10.32.
- What is excluded from H10.3?
- Excludes1 (not coded here): ophthalmia neonatorum NOS (P39.1).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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