ICD-10 Code H16.232 – Neurotrophic keratoconjunctivitis, left eye (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H16.232 – Neurotrophic keratoconjunctivitis, left eye
What it is
H16.232 identifies neurotrophic keratoconjunctivitis affecting the left eye. It means the cornea and conjunctiva have reduced sensation, which can impair normal healing and increase surface damage.
Clinical signs
Typical findings include corneal epithelial defects, dryness, and decreased corneal sensitivity. Clinical features vary; refer to documentation for laterality, severity, and any associated corneal ulceration.
When to use this code
Use this code when the record clearly states neurotrophic keratoconjunctivitis in the left eye. It is appropriate when the clinician documents impaired corneal sensation with inflammatory or epithelial changes on that side. Check documentation if the note only says keratitis, dry eye, or corneal ulcer without neurotrophic wording.
Do not use for
Do not use this code for unspecified eye involvement or right-eye disease. Also avoid it when the chart describes a different corneal disorder without evidence of neurotrophic keratoconjunctivitis.
Coding tip
Verify laterality in the assessment and problem list before assigning H16.232.