Trichiasis without entropion right lower eyelid

This code describes a condition where the eyelashes of the right lower eyelid are misdirected and grow inwards, rubbing against the surface of the eye. This occurs in the absence of entropion, which is the inward turning of the eyelid margin itself. The misdirected lashes can cause irritation, foreign body sensation, tearing, and potential corneal damage.

Use this code when documentation specifies trichiasis affecting the right lower eyelid, and explicitly states that entropion is not present. This code is appropriate for patients presenting with symptoms related to misdirected eyelashes on the right lower lid, such as ocular discomfort or corneal abrasions, where the underlying eyelid position is normal.

• Ensure documentation clearly distinguishes between trichiasis and entropion; if entropion is present, a different code is required.
• Verify laterality (right vs. left) and eyelid (upper vs. lower) are precisely documented to select the most specific code.
• Consider additional codes for any associated complications, such as corneal abrasion or ulcer, if documented.