ICD-10 Code H16.332 – Sclerosing keratitis, left eye (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H16.332 – Sclerosing keratitis, left eye
What it is
H16.332 identifies sclerosing keratitis affecting the left eye. It refers to corneal inflammation with scarring or sclerosis, documented specifically on the left side.
Clinical signs
Typical findings include corneal haze, stromal opacity, and reduced corneal clarity. Clinical features vary; refer to documentation for laterality and whether the process is active or residual.
When to use this code
Use this code when the provider documents sclerosing keratitis in the left eye. It also fits when the note clearly describes corneal sclerosis or scarring on the left without a different, more specific diagnosis.
Code from ophthalmology documentation, problem lists, or encounter assessments when laterality is explicit. If the record only says keratitis without side designation, check documentation before assigning H16.332.
Do not use for
Do not use this code for keratitis of the right eye, both eyes, or unspecified eye. Check documentation if the chart describes another corneal disorder or a non-sclerosing form of keratitis.
Coding tip
Verify laterality in the provider note before coding, because H16.332 is eye-specific and should not be assigned from vague corneal inflammation alone.