Pseudomembranous conjunctivitis, bilateral

This code signifies an inflammatory condition affecting both eyes, characterized by the formation of a false membrane on the conjunctiva. This membrane is typically composed of fibrin, inflammatory cells, and necrotic epithelium, and can be peeled away from the underlying tissue. It often results from severe infections, most commonly bacterial or viral.

Use this code when documentation explicitly states pseudomembranous conjunctivitis affecting both eyes. This diagnosis is typically made upon clinical examination, often confirmed by the ability to peel the membrane. Documentation should clearly indicate the bilateral involvement.

• Ensure the documentation specifies "pseudomembranous" and not just "membranous" conjunctivitis, as these are distinct.
• Always confirm bilateral involvement; if only one eye is affected, a laterality-specific code should be used.
• Look for an underlying cause (e.g., bacterial infection, viral infection) to code concurrently, if identified.