H04.33 Acute lacrimal canaliculitis

Name of the Condition

• Acute Lacrimal Canaliculitis

Summary

Acute lacrimal canaliculitis is an inflammation of the lacrimal canaliculi, the small ducts that drain tears from the eye to the lacrimal sac. This condition typically presents with acute symptoms and is often associated with infection or obstruction. It may cause discomfort, discharge, and swelling near the eyelid margin, and if left untreated, can lead to complications affecting tear drainage.

Causes

Acute lacrimal canaliculitis is commonly caused by bacterial infection, with Staphylococcus species being the most frequent pathogens. Obstruction of the canaliculi, often due to inflammation, foreign bodies, or anatomical narrowing, can trap tears and promote bacterial growth. Other causes may include trauma, chronic inflammation, or underlying conditions that affect the lacrimal system.

Risk Factors

• Age: More common in older adults due to age-related changes in the lacrimal system.
• Chronic eye infections or inflammation.
• Anatomical abnormalities of the canaliculi.
• Use of contact lenses or ocular prosthetics.
• History of lacrimal duct obstruction or prior episodes of canaliculitis.

Symptoms

• Swelling, redness, or tenderness at the inner corner of the eyelid.
• Purulent (pus-like) discharge from the punctum.
• Excessive tearing or a feeling of fullness in the eye.
• Pain or discomfort with pressure on the affected area.
• Possible crusting or matting of eyelashes.

Diagnosis

Diagnosis is based on clinical evaluation, including a physical examination of the eyelid and punctum. A healthcare provider may express the canaliculus to check for discharge or perform a culture to identify the causative organism. Imaging studies are rarely needed but may be used to rule out underlying obstruction or anatomical abnormalities.

Treatment Options

Treatment typically involves antibiotic therapy, either topical or oral, to address the infection. Warm compresses and gentle massage of the canaliculus may help relieve obstruction and promote drainage. In some cases, the canaliculus may be dilated or irrigated to remove debris or pus. Severe or recurrent cases may require surgical intervention to correct anatomical issues.

Prognosis and Follow-Up

With appropriate treatment, acute lacrimal canaliculitis usually resolves within a few days to weeks. Follow-up may be recommended to ensure the infection has cleared and to monitor for recurrence. If symptoms persist or worsen, further evaluation may be needed to address underlying causes or complications.

Complications

Untreated acute lacrimal canaliculitis can lead to chronic inflammation, persistent discharge, or the formation of canaliculiths (calcified concretions). In rare cases, it may progress to more severe infections, such as preseptal cellulitis, or cause permanent damage to the lacrimal system.

Lifestyle & Prevention

• Maintain good eyelid hygiene, especially if prone to infections.
• Avoid sharing eye makeup or tools to reduce bacterial spread.
• Use warm compresses regularly to promote drainage and reduce swelling.
• Seek prompt treatment for eye infections or irritation to prevent progression.

When to Seek Professional Help

Consult a healthcare provider if you experience persistent swelling, discharge, or pain near the eyelid, or if symptoms worsen despite home care. Seek immediate care for signs of spreading infection, such as fever, increased redness, or vision changes.

Tips for Medical Coders

When coding for acute lacrimal canaliculitis (H04.33), ensure documentation supports the acute nature of the condition and specifies the location as the canaliculi. Include details about infection, obstruction, or associated symptoms to justify the diagnosis. Verify that the code aligns with the clinical findings and avoid using this code for chronic or unspecified forms of canaliculitis.