Unspecified blepharitis left eye, upper and lower eyelids

This code signifies inflammation of the eyelid margins of the left eye, affecting both the upper and lower eyelids, without further specification of the type or cause of blepharitis. It indicates a general diagnosis of blepharitis when the specific etiology (e.g., seborrheic, staphylococcal, ulcerative) is not documented.

Use this code when the physician's documentation clearly states "blepharitis left eye, upper and lower eyelids" but does not provide additional details regarding the specific type or cause. This is appropriate for initial encounters or when the specific diagnosis remains undetermined after examination.

• Avoid using this code if the documentation specifies a particular type of blepharitis (e.g., H01.01- for ulcerative, H01.02- for squamous).
• Ensure the laterality (left eye) and affected eyelids (upper and lower) are explicitly documented to support this specific code.
• If the blepharitis affects only the upper or lower eyelid, or is unilateral, a more specific code from the H01.00- series should be selected.