H18.11 Bullous keratopathy, right eye

Name of the Condition

• Bullous Keratopathy, Right Eye
• ICD Code: H18.11

Summary

Bullous keratopathy is a condition characterized by fluid-filled blisters (bullae) on the cornea, the clear front surface of the eye. These blisters can cause pain, discomfort, and visual disturbances due to corneal edema. The condition often results from damage to the corneal endothelium, which impairs its ability to maintain corneal clarity.

Causes

Bullous keratopathy typically arises from corneal endothelial dysfunction, which may be caused by prior eye surgery (such as cataract extraction), trauma, or inflammatory conditions. It can also occur secondary to other ocular diseases or systemic conditions affecting the cornea.

Risk Factors

• Previous intraocular surgery (e.g., cataract surgery)
• Corneal trauma or injury
• Chronic corneal inflammation or edema
• Underlying endothelial dystrophies
• Prolonged use of certain topical medications

Symptoms

• Pain or discomfort in the eye
• Blurred or distorted vision
• Sensitivity to light (photophobia)
• Excessive tearing or discharge
• Visible blisters on the cornea (may be seen with a slit lamp)

Diagnosis

Diagnosis involves a comprehensive eye examination, including slit-lamp microscopy to assess corneal edema and bullae. Additional tests, such as corneal pachymetry (thickness measurement) or specular microscopy (endothelial cell analysis), may be used to evaluate corneal health.

Treatment Options

• Medications: Topical lubricants or hypertonic saline to reduce corneal edema and discomfort.
• Contact Lenses: Therapeutic soft contact lenses or bandage lenses to protect the cornea.
• Surgical Interventions: Corneal transplantation (e.g., Descemet's membrane endothelial keratoplasty) for severe or refractory cases.

Prognosis and Follow-Up

Prognosis depends on the underlying cause and severity of the condition. Early treatment can alleviate symptoms, but advanced cases may require surgical intervention. Regular follow-up with an ophthalmologist is essential to monitor corneal health and adjust treatment as needed.

Complications

• Persistent pain or discomfort
• Progressive vision loss
• Corneal scarring or opacification
• Increased risk of infection (e.g., corneal ulceration)

Lifestyle & Prevention

• Avoid eye trauma or injury.
• Use protective eyewear during activities with a risk of eye damage.
• Manage underlying conditions (e.g., diabetes, inflammatory diseases) to reduce corneal stress.
• Follow post-surgical care instructions if applicable.

When to Seek Professional Help

Seek immediate medical attention if you experience sudden vision changes, severe eye pain, or signs of infection (e.g., redness, discharge). Prompt evaluation is critical to prevent complications.

Tips for Medical Coders

• Use H18.11 for bullous keratopathy affecting the right eye. Ensure documentation specifies the eye laterality (right) to support accurate coding. Verify that the diagnosis aligns with clinical findings, such as corneal edema or bullae, to confirm code applicability.