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ICD-10-CM 2027

ICD-10 code for vernal keratoconjunctivitis

H16.26

Vernal keratoconjunctivitis, with limbar and corneal involvement

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Keratoconjunctivitis › vernal”. Page updated September 29, 2026.

About coding vernal keratoconjunctivitis

The ICD-10-CM code for vernal keratoconjunctivitis is H16.26 (Vernal keratoconjunctivitis, with limbar and corneal involvement).

Within H16.2 (keratoconjunctivitis), H16.26 is specifically for vernal keratoconjunctivitis, with limbar and corneal involvement. Related codes cover unspecified keratoconjunctivitis (H16.20), exposure keratoconjunctivitis (H16.21), sicca, not specified as Sjogren's (H16.22), Neurotrophic keratoconjunctivitis (H16.23), Ophthalmia nodosa (H16.24), Phlyctenular keratoconjunctivitis (H16.25) and other keratoconjunctivitis (H16.29).

To report this condition, pick the subcode that matches the documentation: H16.261 (right eye), H16.262 (left eye), H16.263 (bilateral) and H16.269 (unspecified eye).

Don't report H16.26 together with the conditions in its Excludes1 note: vernal conjunctivitis without limbar and corneal involvement (H10.44).

Don't confuse with (Excludes1 for H16.26)

  • vernal conjunctivitis without limbar and corneal involvement (H10.44)

Common questions about vernal keratoconjunctivitis ICD-10 codes

What is the ICD-10 code for vernal keratoconjunctivitis?

H16.26 — Vernal keratoconjunctivitis, with limbar and corneal involvement (a header code; report a more specific subcode).

Is H16.26 billable?

No. H16.26 is a header code. Report one of its more specific subcodes instead.