Edema of left upper eyelid

This code signifies the presence of swelling or fluid retention specifically affecting the upper eyelid of the left eye. It indicates a non-inflammatory accumulation of fluid, which can result from various underlying systemic or localized causes.

Use this code when documentation clearly states "edema of left upper eyelid" or similar phrasing indicating swelling of the superior palpebra of the left eye. This is appropriate for conditions like allergic reactions, orbital cellulitis, or systemic fluid overload manifesting in the eyelid, provided the laterality and specific eyelid are documented.

• Ensure documentation specifies "left" and "upper" eyelid; otherwise, an unspecified or different laterality/location code may be more appropriate.
• Always code the underlying cause of the edema first, if known and documented (e.g., allergic conjunctivitis, orbital cellulitis).
• Do not confuse with inflammatory conditions like blepharitis, which would typically involve different ICD-10-CM codes.