H30.813 Harada's disease, bilateral

ICD10CM code

#### Name of the Condition
- Harada's Disease, Bilateral
- Also known as Vogt-Koyanagi-Harada (VKH) Syndrome

#### Summary
Harada's disease, or VKH syndrome, is an autoimmune condition that primarily affects the eyes, skin, and central nervous system. It is characterized by inflammation of the uvea, leading to potential vision problems.

#### Causes
The precise cause of Harada's disease is not well understood, but it is believed to be an autoimmune response where the body's immune system mistakenly attacks its own melanocyte-containing tissues in the eyes and other parts of the body.

#### Risk Factors
- Genetic predisposition, particularly in individuals of Asian, Hispanic, Native American, and Middle Eastern descent.
- Age range of 20-50 years.
- Female gender may have a slightly higher predisposition.

#### Symptoms
- Blurry vision or vision loss
- Eye pain and redness
- Tinnitus and hearing loss
- Skin changes such as vitiligo or hair loss
- Meningeal signs like headaches and stiff neck

#### Diagnosis
- Comprehensive eye examination including fundoscopy
- Imaging tests such as Optical Coherence Tomography (OCT) and Fluorescein Angiography
- Lumbar puncture to assess cerebrospinal fluid
- Blood tests to rule out other conditions

#### Treatment Options
- Corticosteroids to reduce inflammation
- Immunosuppressive agents for severe or corticosteroid-resistant cases
- Regular monitoring by an ophthalmologist to assess treatment efficacy and prevent complications

#### Prognosis and Follow-Up
With proper treatment, many individuals experience good outcomes, although some may have chronic or recurrent episodes. Regular follow-ups with healthcare providers are crucial to monitor and manage potential relapses or complications.

#### Complications
- Permanent vision loss if untreated
- Glaucoma or cataracts as a result of treatment
- Neurological complications due to meningeal involvement

#### Lifestyle & Prevention
- Regular eye examinations to monitor eye health
- Avoiding known triggers for flare-ups
- Managing stress levels as part of an overall health strategy

#### When to Seek Professional Help
- Sudden changes in vision
- Persistent headaches or neck stiffness
- New onset or worsening of skin changes
- Any symptoms that significantly impair daily functioning

#### Additional Resources
- American Academy of Ophthalmology: [AAO](https://www.aao.org)
- National Eye Institute: [NEI](https://www.nei.nih.gov)
- Patient support groups specific to autoimmune eye diseases

#### Tips for Medical Coders
- Ensure bilateral involvement is clearly documented for accurate coding with H30.813.
- Cross-reference with any other related conditions or complications for comprehensive patient records.
- Common coding errors include missing laterality or misclassifying as unilateral.

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