Hypertrichosis of left upper eyelid

This code signifies an abnormal and excessive growth of hair on the left upper eyelid. This condition, known as hypertrichosis, is distinct from hirsutism, which is typically androgen-dependent. It can be congenital or acquired, and may be localized to the eyelid.

Apply this code when documentation specifically indicates hypertrichosis affecting the left upper eyelid. This diagnosis is supported by physician notes detailing the presence of excessive hair growth on this specific anatomical site. It is appropriate for both primary and secondary diagnoses.

• Ensure the documentation specifies "left upper eyelid" to use this precise code; avoid using for general eyelid hypertrichosis.
• Differentiate from other eyelid disorders; this code is solely for excessive hair growth.
• Do not confuse with codes for hirsutism (e.g., L68.0), as hypertrichosis is not necessarily hormone-related.