H10.212 Acute toxic conjunctivitis, left eye

ICD10CM code

#### Name of the Condition
- Acute toxic conjunctivitis, left eye  
- Also known as: Chemical-induced conjunctivitis

#### Summary
Acute toxic conjunctivitis is an irritation or inflammation of the conjunctiva, the clear tissue covering the white part of the eye and the inside of the eyelids, caused by exposure to a toxic substance. It predominantly affects one eye, in this case, the left eye.

#### Causes
- Exposure to irritants such as chemicals, fumes, or smoke.
- Contact with foreign substances causing an allergic reaction.

#### Risk Factors
- Occupational or environmental exposure to chemicals.
- Use of certain cosmetics or eye products.
- Prior history of allergies.

#### Symptoms
- Redness in the left eye.
- Itching or burning sensation.
- Tearing or watery discharge.
- Swelling of the eyelid or conjunctiva.
- Sensitivity to light.

#### Diagnosis
- Physical examination by an eye specialist.
- Patient history of recent exposure to irritants.
- Slit lamp examination to assess the eye in detail.

#### Treatment Options
- Rinsing the eye with saline or water to remove irritants.
- Topical anti-inflammatory medications.
- Avoidance of further exposure to the causative agent.

#### Prognosis and Follow-Up
- With appropriate treatment and avoidance of irritants, symptoms often resolve within a few days.
- Regular follow-up to ensure the absence of underlying damage and recovery of the conjunctival tissues.

#### Complications
- Persistent irritation or repeated exposures can lead to chronic conjunctivitis.
- Damage to eye tissues if not treated promptly.

#### Lifestyle & Prevention
- Use protective eyewear in environments with potential exposure to irritants.
- Avoid using unknown or allergenic substances near the eyes.
- Maintain good personal hygiene to prevent secondary infections.

#### When to Seek Professional Help
- If symptoms do not improve within 48 hours of initial treatment.
- Sudden onset of severe pain, vision changes, or continuous discharge from the eye.

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

#### Tips for Medical Coders
- Ensure the correct side (left eye) is documented for precise coding.
- Verify if the condition is acute and toxic in nature, distinguishing from other types of conjunctivitis.
- Avoid confusion with chronic or allergic conjunctivitis codes.

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