ICD-10 Code H11.063 – Recurrent pterygium of eye, bilateral (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H11.063 – Recurrent pterygium of eye, bilateral
What it is
This code identifies a recurrence of pterygium affecting both eyes. A pterygium is a fibrovascular growth of conjunctival tissue that extends toward the cornea.
Clinical signs
Typical findings include bilateral conjunctival growths with a history of prior pterygium removal. Clinical features vary; refer to documentation for corneal encroachment, redness, irritation, or visual impact.
When to use this code
Use H11.063 when the provider documents recurrent pterygium in both eyes, whether after surgery or another prior episode. Apply it only when recurrence is clearly stated in the record. If the note does not specify recurrence or laterality, check documentation.
Do not use for
Do not use this code for a primary, nonrecurrent pterygium or for unilateral disease. If the chart describes an unspecified conjunctival lesion, check documentation.
Coding tip
Confirm both recurrence and bilateral involvement in the provider note before assigning H11.063.