H10
Header — not billableConjunctivitis
The ICD-10 code for conjunctivitis is H10.
H10 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 8 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- keratoconjunctivitis (H16.2-)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under H10
- H10.0Mucopurulent conjunctivitisnon-billable header
- H10.1Acute atopic conjunctivitisnon-billable header
- H10.2Other acute conjunctivitisnon-billable header
- H10.3Unspecified acute conjunctivitisnon-billable header
- H10.4Chronic conjunctivitisnon-billable header
- H10.5Blepharoconjunctivitisnon-billable header
- H10.8Other conjunctivitisnon-billable header
- H10.9Unspecified conjunctivitis
Related codes in this category
- H11Other disorders of conjunctivanon-billable header
- H10Conjunctivitisnon-billable header