ICD-10 Code H16.142 – Punctate keratitis, left eye (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H16.142 – Punctate keratitis, left eye
What it is
Punctate keratitis is inflammation or damage involving small spots on the corneal surface of the left eye. Use this code when documentation specifically identifies the left eye.
Clinical signs
Typical findings include corneal punctate staining, irritation, foreign-body sensation, redness, and blurred vision. Clinical features vary; refer to documentation.
When to use this code
Use H16.142 when the provider documents punctate keratitis affecting only the left eye. It is also appropriate when the record clearly identifies punctate corneal lesions or superficial keratitis in the left eye. Check documentation if laterality is not stated.
Do not use for
Do not use this code for unspecified eye involvement or for keratitis described only as bilateral. If the note identifies a different corneal disorder, choose the more specific diagnosis.
Coding tip
Confirm laterality in the assessment or impression before assigning H16.142.