H35.3121 Nonexudative age-related macular degeneration, left eye, early dry stage

ICD10CM code

#### Name of the Condition
- Nonexudative Age-related Macular Degeneration, Left Eye, Early Dry Stage
- Also known as Dry AMD or Early Dry ARMD

#### Summary
Age-related macular degeneration (AMD) is a common eye condition and a leading cause of vision loss among people age 50 and older. The nonexudative, or "dry" form, occurs when parts of the macula thin with age and tiny clumps of protein called drusen grow. In the early stage, vision loss is generally mild.

#### Causes
While the exact cause of dry AMD is not known, it is believed to be related to a combination of genetic, environmental, and lifestyle factors. Deterioration occurs naturally with age.

#### Risk Factors
- Age (50 and older)
- Family history of AMD
- Smoking
- Obesity
- High blood pressure
- Diet lacking in nutrients like carotenoids and omega-3 fatty acids

#### Symptoms
- Blurred or reduced central vision
- Difficulty recognizing faces
- Need for brighter light when reading
- Haziness in your overall vision

#### Diagnosis
- Comprehensive dilated eye examination
- Optical coherence tomography (OCT)
- Amsler grid test to detect vision problems

#### Treatment Options
Currently, there is no cure for dry AMD. Management includes:
- Dietary supplements (AREDS formula) to help slow progression
- Lifestyle changes like quitting smoking
- Regular monitoring by an eye care professional

#### Prognosis and Follow-Up
Patients with early-stage dry AMD typically have mild vision changes. Regular follow-up exams are important to monitor any progression of the condition. Vision aids may help maintain quality of life.

#### Complications
- Progression to advanced dry AMD or "geographic atrophy"
- Increased risk of developing neovascular (wet) AMD, which can cause rapid vision loss

#### Lifestyle & Prevention
- Consume a balanced diet rich in leafy green vegetables and fish
- Protect eyes from UV light by wearing sunglasses
- Avoid smoking and maintain regular physical activity

#### When to Seek Professional Help
- Noticeable vision changes even with existing AMD diagnosis
- Sudden loss of vision
- Any new symptoms affecting vision quality

#### Additional Resources
- American Academy of Ophthalmology
- Macular Degeneration Association
- National Eye Institute

#### Tips for Medical Coders
- Ensure accurate laterality coding; specify the left eye.
- Distinguish between dry and wet AMD in documentation.
- Verify the stage of AMD for proper code assignment using additional clinical details.

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