H11.062 Recurrent pterygium of left eye

ICD10CM code

#### 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.

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