H35.051 Retinal neovascularization, unspecified, right eye

ICD10CM code

#### Name of the Condition
- Retinal Neovascularization, Unspecified, Right Eye
- Commonly referred to as neovascularization of the retina.

#### Summary
- Retinal neovascularization is the abnormal growth of new blood vessels on the retina, the light-sensitive tissue at the back of the eye. This condition can disrupt normal vision and lead to serious complications if untreated.

#### Causes
- It often results from ischemic retinal diseases such as diabetic retinopathy or retinal vein occlusion. Ischemia leads to the release of vascular endothelial growth factor (VEGF), which stimulates new blood vessel growth.

#### Risk Factors
- Diabetes, particularly poorly controlled.
- Hypertension.
- Atherosclerosis.
- History of retinal vein occlusion.
- Age: Increased risk in older adults.

#### Symptoms
- Blurred vision.
- Visual disturbances such as floaters.
- Reduced visual acuity.
- In some cases, may initially present without noticeable symptoms.

#### Diagnosis
- Comprehensive eye examination by an ophthalmologist.
- Fundoscopic examination to observe new blood vessel growth.
- Imaging tests such as fluorescein angiography or optical coherence tomography (OCT) to assess the extent of neovascularization.

#### Treatment Options
- Laser photocoagulation to seal off abnormal blood vessels and prevent further growth.
- Intravitreal injections of anti-VEGF medications to reduce new vessel formation.
- In severe cases, vitrectomy surgery may be required to remove scar tissue or involve more extensive retinal repair.

#### Prognosis and Follow-Up
- Early detection and treatment can stabilize or improve vision.
- Regular monitoring is essential to manage any progression and adjust treatment plans as necessary.

#### Complications
- Unchecked neovascularization can lead to vitreous hemorrhage, retinal detachment, and eventual vision loss.
- Risk of neovascular glaucoma when abnormal vessels affect the drainage angle of the eye.

#### Lifestyle & Prevention
- Managing underlying conditions such as diabetes and hypertension can significantly reduce risk.
- Regular eye exams, especially for individuals with diabetes or a history of retinal diseases.
- Maintaining a healthy diet and regular exercise to control systemic blood pressure and glucose levels.

#### When to Seek Professional Help
- Sudden loss of vision or appearance of dark spots in vision.
- Rapidly worsening visual acuity.
- Any new or unusual visual changes warrant immediate consultation with an eye care professional.

#### Additional Resources
- American Academy of Ophthalmology ([aao.org](https://www.aao.org))
- American Diabetes Association ([diabetes.org](https://www.diabetes.org))
- Prevent Blindness ([preventblindness.org](https://www.preventblindness.org))

#### Tips for Medical Coders
- Ensure specificity by noting the affected eye (right in this case) and that the neovascularization is unspecified in terms of exact etiology.
- Avoid confusing with other types of retinopathy; specify "neovascularization" for accurate coding.

Medical Policies and Guidelines for Retinal neovascularization, unspecified, right eye

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