H28 Cataract in diseases classified elsewhere

ICD10CM code

#### Name of the Condition
- Cataract in diseases classified elsewhere
- Technical term: Secondary cataract

#### Summary
A cataract in diseases classified elsewhere is a condition where clouding of the eye's natural lens occurs as a result of another medical condition. This type of cataract is not primary but is linked to underlying diseases affecting the eyes.

#### Causes
- Inflammatory diseases such as uveitis
- Diabetes mellitus
- Trauma to the eye
- Use of certain medications like corticosteroids

#### Risk Factors
- Existing systemic diseases such as diabetes
- Long-term use of steroid medication
- Previous eye injuries or surgeries
- Advanced age can exacerbate other diseases, leading to cataracts

#### Symptoms
- Blurred or dim vision
- Difficulty seeing at night
- Sensitivity to light and glare
- Seeing halos around lights

#### Diagnosis
- Comprehensive eye examination
- Visual acuity test
- Slit-lamp examination
- Retinal exam

#### Treatment Options
- Corrective eyewear for early stages
- Cataract surgery to remove the clouded lens, often replaced with an artificial intraocular lens
- Managing the underlying disease to prevent further cataract development

#### Prognosis and Follow-Up
- Generally, the prognosis is good with surgery, leading to restored vision
- Continued management of the underlying condition is crucial
- Regular eye examinations are needed to monitor both cataract and underlying health status

#### Complications
- Untreated cataracts can lead to vision loss
- Increased risk of glaucoma if associated with uveitis
- Possible complications from surgery, such as infection or retinal detachment

#### Lifestyle & Prevention
- Manage chronic health conditions effectively
- Regular eye check-ups, especially if you have risk factors
- Avoid excessive sun exposure, use UV-protection eyewear

#### When to Seek Professional Help
- Immediate consultation if experiencing sudden vision changes, eye pain, or signs of new cataract formation
- Worsening of symptoms that interfere with daily activities

#### Additional Resources
- American Academy of Ophthalmology: [aao.org](https://www.aao.org)
- National Eye Institute: [nei.nih.gov](https://nei.nih.gov)

#### Tips for Medical Coders
- Ensure proper linkage of the cataract (H28) to the underlying systemic condition
- Verify all documented diagnoses and treatments before coding
- Avoid coding primary cataract codes when the underlying cause is specified

Medical Policies and Guidelines for Cataract in diseases classified elsewhere

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