H47.313 Coloboma of optic disc, bilateral

ICD10CM code

#### Name of the Condition
- Coloboma of Optic Disc, Bilateral
- Also known as: Bilateral Optic Disc Coloboma

#### Summary
Coloboma of the optic disc, bilateral, is a rare congenital condition characterized by a gap or defect in the optic disc in both eyes. This defect can lead to visual impairments, though the level of severity varies among individuals.

#### Causes
- Primarily caused by incomplete closure of the embryonic fissure during eye development.
- Often linked to genetic mutations and may be associated with other syndromic conditions.

#### Risk Factors
- Genetic predisposition or family history of coloboma.
- Certain genetic syndromes or chromosomal abnormalities.

#### Symptoms
- Reduced visual acuity or blurriness.
- Visual field defects.
- Possible presence of additional ocular abnormalities.

#### Diagnosis
- Comprehensive eye examination including slit-lamp and ophthalmoscopy.
- Imaging tests such as Optical Coherence Tomography (OCT) can provide detailed views of the optic disc.

#### Treatment Options
- There is no cure for coloboma, but treatments focus on managing symptoms:
  - Corrective lenses to improve vision.
  - Visual aids and rehabilitation therapies to maximize remaining vision.
  - Regular monitoring for associated complications like retinal detachment.

#### Prognosis and Follow-Up
- Prognosis varies; some individuals may have minimal vision issues, while others experience significant vision loss.
- Regular follow-up with an ophthalmologist is essential to manage and monitor the condition.

#### Complications
- Potential complications include retinal detachment, glaucoma, and amblyopia, which can result in further vision impairment.

#### Lifestyle & Prevention
- There are no specific preventive measures due to the congenital nature of the condition.
- Visual aids and adaptation of living environments can help manage lifestyle impacts.

#### When to Seek Professional Help
- If you notice any significant changes in vision, visual field loss, or new symptoms such as eye pain or flashes of light, seek professional help promptly.

#### Additional Resources
- American Academy of Ophthalmology (AAO): [www.aao.org](https://www.aao.org)
- National Organization for Rare Disorders (NORD): [www.rarediseases.org](https://rarediseases.org)

#### Tips for Medical Coders
- Ensure coding specificity by noting the bilateral nature of the condition (H47.313).
- Avoid coding errors by distinguishing this from unilateral coloboma and other optic disc anomalies.

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