H11.062 Recurrent pterygium of left eye

Name of the Condition

• Recurrent pterygium of left eye
• Also known as "ocular pterygium"

Summary

Recurrent pterygium of the left eye is a condition where a fleshy, wing-shaped growth of conjunctival tissue extends over the cornea from the conjunctiva, primarily affecting the nasal side. This particular occurrence refers to the regrowth of a pterygium after it has been surgically removed.

Causes

• The exact cause is unknown, but chronic exposure to ultraviolet (UV) light and environmental irritants such as dust, wind, and smoke are believed to contribute.
• Genetic predisposition and dry eye conditions may also play a role.

Risk Factors

• Prolonged exposure to UV radiation, often seen in those living near the equator or spending extensive time outdoors.
• Occupations or hobbies that involve exposure to dusty or sandy environments.
• Age, with a higher prevalence in adults aged 30-50.
• Family history of pterygium.

Symptoms

• Persistent redness and inflammation in the left eye.
• A visible growth on the nasal side of the eye.
• Irritation or discomfort in the eye.
• Blurred vision if the cornea is involved.

Diagnosis

• Clinical examination by an ophthalmologist using a slit lamp.
• Patient history to assess previous surgical removal.

Treatment Options

• Surgical excision remains the primary treatment for recurrent pterygium.
• Use of adjunctive therapies post-surgery, such as topical steroids, mitomycin C, conjuntival autografting, or amniotic membrane grafting, to prevent further recurrence.
• Lubricating eye drops to alleviate irritation.

Prognosis and Follow-Up

• Surgical outcomes vary, with a significant chance of recurrence in some cases.
• Regular follow-up appointments are crucial to monitor for signs of recurrence and manage promptly.

Complications

• Impaired vision if the growth extends over the cornea.
• Scar formation or chronic inflammation.

Lifestyle & Prevention

• Wearing sunglasses that block 100% of UV rays.
• Wearing hats with brims to shade the eyes when outdoors.
• Avoiding dust and wind exposure whenever possible.

When to Seek Professional Help

• Noticeable growth or changes in the white part of the eye.
• Persistent redness or irritation.
• Decreased vision or discomfort that does not resolve with over-the-counter remedies.

Additional Resources

• American Academy of Ophthalmology (www.aao.org)
• International Pterygium Society

Tips for Medical Coders

• Ensure documentation specifies the laterality of the eye (left eye in this case) for accurate coding.
• Verify previous history of surgical treatment to confirm recurrence coding (H11.062).
• Be cautious not to confuse with primary pterygium or other growths like pinguecula.