Conjunctival edema, bilateral

This code signifies swelling or fluid accumulation in the conjunctiva, the transparent membrane lining the eyelids and covering the white part of the eye, affecting both eyes. It indicates a non-specific inflammatory or allergic response causing the conjunctival tissue to become edematous.

Apply this code when documentation explicitly states "conjunctival edema, bilateral" or describes bilateral chemosis. This is often seen in cases of severe allergic conjunctivitis, angioedema, or significant ocular irritation affecting both eyes.

• Ensure documentation specifies "bilateral" involvement; otherwise, a unilateral code or unspecified code may be more appropriate.
• Always look for an underlying cause (e.g., allergic reaction, infection) to code first, if known and documented.
• Differentiate from conjunctivitis (inflammation) where edema is a symptom; this code is for the edema itself when it's the primary finding or focus.