H44.312 Chalcosis, left eye

ICD10CM code

#### Name of the Condition
- **Chalcosis, left eye**
- Also known as: Copper deposition in the eye, Ocular chalcosis

#### Summary
Chalcosis refers to the deposition of copper in the eye tissues, which can occur after copper is introduced into the eye due to an injury. This condition can cause various eye problems and, if left untreated, may lead to vision impairment.

#### Causes
Chalcosis in the eye occurs when a copper foreign body, such as a piece of metal, enters the eye. The gradual leaching of copper ions from the metal causes the deposition.

#### Risk Factors
- Occupational hazards (e.g., working with metal without adequate eye protection)
- Past eye injuries, particularly involving copper-containing materials
- Inadequate protective eyewear during activities that involve metallic substances

#### Symptoms
- Changes in eye color (green or golden-brown discoloration)
- Blurred or distorted vision
- Eye pain or discomfort
- Presence of visible copper particles in the eye

#### Diagnosis
- Detailed patient history and physical examination
- Slit-lamp examination to observe deposits in the cornea and lens
- Imaging studies, such as an X-ray or ultrasound, may be used to detect metallic foreign bodies

#### Treatment Options
- Removal of the copper foreign body, often through surgery
- Chelation therapy to bind and remove copper if systemic exposure is present
- Monitoring and managing any additional eye complications

#### Prognosis and Follow-Up
- If the copper foreign body is promptly removed, the prognosis is generally good.
- Regular ophthalmologic assessments are crucial to monitor potential residual effects or new symptoms.

#### Complications
- Corneal damage and opacification
- Cataract formation
- Secondary glaucoma from pigment dispersion

#### Lifestyle & Prevention
- Use protective eyewear in environments and activities involving metal tools or shards.
- Immediate medical attention following an eye injury to prevent deposition conditions.

#### When to Seek Professional Help
- Sudden changes in vision or eye color
- Persistent eye pain following a known injury
- Any signs of infection, such as redness or discharge

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

#### Tips for Medical Coders
- Ensure correct laterality coding; H44.312 is specifically for the left eye.
- Be careful not to confuse chalcosis with other similar ocular deposition conditions like siderosis (iron deposition).

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