Ulcerative blepharitis unspecified eye, unspecified eyelid

This code signifies an inflammatory condition affecting the eyelid margins, characterized by ulceration, crusting, and often lash loss. It represents a chronic form of blepharitis where the inflammation has progressed to tissue breakdown. The "unspecified eye, unspecified eyelid" indicates that the laterality and specific eyelid involved are not documented.

Use this code when documentation clearly indicates ulcerative blepharitis but does not specify whether it affects the right, left, or both eyes, nor does it identify the upper or lower eyelid. This code is appropriate when the provider's notes describe ulceration of the eyelid margin without further anatomical detail.

• Avoid using this code if laterality (right, left, bilateral) or specific eyelid (upper, lower) is documented; instead, choose a more specific H01.01x code.
• Consider co-reporting with codes for underlying conditions such as rosacea (L71.x) or seborrheic dermatitis (L21.x) if documented as causative factors.
• Ensure the documentation explicitly states "ulcerative" blepharitis to differentiate from other forms like seborrheic or staphylococcal blepharitis without ulceration.