Tenonitis of right orbit

This code represents inflammation of Tenon's capsule, a fibrous sheath that envelops the eyeball from the optic nerve to the limbus, specifically affecting the right eye. This condition can cause pain, redness, swelling, and restricted eye movement. It is often associated with autoimmune diseases, trauma, or infection.

Use this code when documentation clearly indicates inflammation of Tenon's capsule in the right orbit. This diagnosis is typically supported by clinical examination findings such as proptosis, chemosis, and ophthalmoplegia, along with imaging studies like MRI or CT scans confirming orbital inflammation.

• Ensure laterality is explicitly documented as "right" to support this specific code.
• Differentiate from other orbital inflammatory conditions like orbital cellulitis (H05.01-) or orbital myositis (H05.03-).
• Code any underlying systemic conditions or infections contributing to the tenonitis, such as autoimmune disorders, as additional diagnoses.