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ICD-10-CM 2027

ICD-10 code for Neurotrophic keratoconjunctivitis

H16.23

Neurotrophic keratoconjunctivitis

Header — needs a more specific code

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

About coding Neurotrophic keratoconjunctivitis

The ICD-10-CM code for Neurotrophic keratoconjunctivitis is H16.23 (Neurotrophic keratoconjunctivitis).

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

To report this condition, pick the subcode that matches the documentation: H16.231 (right eye), H16.232 (left eye), H16.233 (bilateral) and H16.239 (unspecified eye).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about Neurotrophic keratoconjunctivitis ICD-10 codes

What is the ICD-10 code for Neurotrophic keratoconjunctivitis?

H16.23 — Neurotrophic keratoconjunctivitis (a header code; report a more specific subcode).

Is H16.23 billable?

No. H16.23 is a header code. Report one of its more specific subcodes instead.