H10

Non-billable

Conjunctivitis

H10 is the ICD-10-CM code for Conjunctivitis. It is a non-billable category code — use a more specific child code such as H10.0 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Subcodes
8
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

What this means — in plain language

MedlinePlus · NIH

Conjunctivitis is the medical name for pink eye. It involves inflammation of the outer layer of the eye and inside of the eyelid. It can cause swelling, itching, burning, discharge, and redness. Causes include: Bacterial or viral infection Allergies Substances that cause irritation Contact lens products, eye drops, or eye ointments Pink eye usually does not affect vision. Infectious pink eye can easily spread from…

Read more about Pink Eye at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • keratoconjunctivitis (H16.2-)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code H10?
H10 is the ICD-10-CM code for "Conjunctivitis". It falls under H00-H59 Diseases of the eye and adnexa.
Is H10 a billable code?
No — H10 is a non-billable header code. Use a more specific child code (such as H10.0) for billing.
What are the subcodes of H10?
H10 has 8 more specific child codes, including H10.0, H10.1, H10.2.
What is excluded from H10?
Excludes1 (not coded here): keratoconjunctivitis (H16.2-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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