Codes / ICD10CM / H21.502

H21.502 Unspecified adhesions of iris, left eye

ICD10CM code

ICD10CM

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Name of the Condition

  • Unspecified adhesions of iris, left eye

Summary

This condition involves abnormal connections (adhesions) between the iris (the colored part of the eye) and other structures in the left eye. These adhesions can affect eye function and structure, though specific details depend on the underlying cause and severity.

Causes

Adhesions may result from inflammation, trauma, surgical procedures, or degenerative processes. Inflammation (e.g., uveitis) can cause tissues to stick together, while trauma or surgery may directly damage or separate these structures.

Risk Factors

  • History of eye trauma or surgery.
  • Inflammatory eye conditions (e.g., uveitis).
  • Certain systemic diseases that affect eye tissues.

Symptoms

  • Visual disturbances like blurred or distorted vision.
  • Eye pain or discomfort.
  • Changes in pupil shape or reactivity.
  • Sensitivity to light (photophobia).

Diagnosis

Diagnosis requires a comprehensive eye exam by an ophthalmologist, including slit-lamp biomicroscopy to visualize the iris and surrounding structures. Additional tests, such as gonioscopy or imaging, may assess structural changes or adhesions.

Treatment Options

Treatment targets the underlying cause and symptoms. Options may include anti-inflammatory medications, surgical intervention to release adhesions, or management of related conditions like uveitis.

Prognosis and Follow-Up

Prognosis depends on the cause, severity, and response to treatment. Regular follow-up with an ophthalmologist is important to monitor for complications or recurrence.

Complications

  • Permanent vision changes or loss.
  • Increased intraocular pressure (glaucoma).
  • Persistent eye pain or discomfort.
  • Pupil irregularities affecting light response.

Lifestyle & Prevention

  • Protect the eyes from trauma by wearing appropriate safety gear during activities.
  • Manage underlying conditions like uveitis to reduce inflammation.
  • Avoid unnecessary eye surgery when possible.

When to Seek Professional Help

Seek immediate care if experiencing sudden vision changes, severe eye pain, or increased sensitivity to light, as these may indicate worsening adhesions or complications.

Tips for Medical Coders

Use H21.502 for unspecified adhesions of the iris in the left eye. Document the eye laterality (left) and specify if adhesions are due to trauma, inflammation, or surgery to support coding accuracy. Ensure clinical notes align with the diagnosis for proper code assignment.

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