H21.531 Iridodialysis, right eye

ICD10CM code

#### Name of the Condition
- Iridodialysis, Right Eye
- Also known as detachment of the iris root from its attachment to the ciliary body.

#### Summary
Iridodialysis is a condition where the iris, the colored part of the eye, is torn away from its peripheral connection. This detachment occurs specifically in the right eye and can result in visual disturbances or cosmetic changes.

#### Causes
- Traumatic injury to the eye (e.g., blunt force trauma).
- Complication from surgical procedures involving the eye.
- Rarely, congenital (present at birth).

#### Risk Factors
- Participation in contact sports or activities with a risk of eye injury.
- Previous eye surgery.
- High-impact accidents.

#### Symptoms
- Visual disturbances such as blurred vision or double vision.
- Photophobia (sensitivity to light).
- Presence of a second image or ghosting.
- An irregular shaped pupil or a black gap visible at the edge of the iris.

#### Diagnosis
- Comprehensive eye examination by an ophthalmologist.
- Slit-lamp examination to provide a magnified view of the eye structures.
- Imaging techniques such as ultrasound biomicroscopy in some cases.

#### Treatment Options
- Minor tears may not require treatment other than observation.
- Surgical repair to reattach the iris, often using sutures, especially if vision is significantly impacted.
- Use of corrective lenses or patching to manage vision problems.

#### Prognosis and Follow-Up
- The prognosis can vary; smaller, asymptomatic tears might heal without intervention.
- Regular follow-up appointments are crucial to monitor the condition and assess for complications.

#### Complications
- Irregular pupil shape (corectopia).
- Glare and recurrent eye infections.
- Increased risk of developing glaucoma or cataracts.

#### Lifestyle & Prevention
- Wearing protective eyewear during sports or high-risk activities.
- Avoidance of trauma to the eyes.
- Ensure safety measures are in place to reduce the risk of accidents.

#### When to Seek Professional Help
- Sudden changes in vision or increased light sensitivity.
- Noticeable changes in pupil shape or a black gap at the iris edge.
- Eye pain or discomfort following an injury or without explanation.

#### Additional Resources
- American Academy of Ophthalmology ([aao.org](https://www.aao.org))
- National Eye Institute ([nei.nih.gov](https://www.nei.nih.gov))
- Eye trauma support groups and forums for patient sharing experiences.

#### Tips for Medical Coders
- Ensure specificity by using the correct laterality; for this condition, use the code for the right eye (H21.531).
- Avoid confusion with similar codes, double-check for the iris condition details in the patient's records.

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