A21.1
Oculoglandular tularemia
Clinical Classification Guidelines
Inclusion Terms
- Ophthalmic tularemia
Medical Intelligence & Overview
Oculoglandular tularemia, classified under ICD-10 code A21.1, is a rare infectious disease caused by the bacterium Francisella tularensis. It primarily affects the eyes and surrounding lymph nodes, leading to inflammation and other related symptoms. This condition is considered a form of tularemia, which is often acquired through contact with infected animals or contaminated environments. Due to its rarity and specific symptoms, understanding its causes, presentation, and treatment options is vital for proper management.
Causes & Symptoms
Clinical Causes: Direct contact with infected animals, especially rabbits, rodents, or hares Handling or exposure to contaminated water or soil Insect bites, particularly ticks and mosquitoes carrying the bacterium Inhalation of contaminated dust or aerosols Occasional transmission through infected medical equipment or laboratory exposure
Key Symptoms: Redness, swelling, and pain in the affected eye Discharge from the eye, often purulent Swollen and tender lymph nodes near the jaw or neck Fever and chills Sensitivity to light (photophobia) Blurred vision or visual disturbances A sore or ulcer on the conjunctiva (outer membrane of the eyeball)
Diagnostic & Treatment
Diagnosis Path: Diagnosis of oculoglandular tularemia involves a combination of clinical assessment and laboratory tests. Specific methods include checking for characteristic symptoms, history of exposure, and laboratory confirmation via blood tests, serology, or tissue cultures. Fluorescent antibody tests and PCR may be used to identify Francisella tularensis. Imaging studies, such as eye examinations, help assess the extent of ocular involvement.
Treatment Protocols: Treatment typically involves antibiotics effective against Francisella tularensis, such as streptomycin or doxycycline. Early initiation of therapy is crucial to prevent complications. Supportive care, including eye lubrication and managing inflammation, may be recommended. Medical follow-up is essential to monitor recovery and address any persistent symptoms.
Clinical Advice & FAQs
Billing Guidance
Is A21.1 a billable ICD-10 code?
Yes, A21.1 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report A21.1?
Clinical documentation must specify the nature of Oculoglandular tularemia and any associated comorbidities for accurate reporting.
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