ICD-10 Code H18.051 – Posterior corneal pigmentations, right eye (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H18.051 – Posterior corneal pigmentations, right eye
What it is
This code identifies pigment deposits on the posterior surface of the cornea in the right eye. Use it when documentation specifically states posterior corneal pigmentation affecting that eye.
Clinical signs
Findings may include visible corneal pigment on slit-lamp examination and a documented right-eye location. Clinical features vary; refer to documentation.
When to use this code
Use H18.051 when the provider diagnoses posterior corneal pigmentations in the right eye and documents the laterality clearly. It is appropriate for ophthalmology notes, consults, or problem lists that specify this exact finding. Check documentation if the record only says corneal pigmentation without location.
Do not use for
Do not use this code for pigment changes in the left eye, both eyes, or unspecified eye. Also avoid it when the note describes another corneal disorder or a nonspecific pigment finding.
Coding tip
Always confirm laterality in the ophthalmology note before assigning H18.051.