1. An elderly farmer with a long-standing history of sun exposure presents for treatment of skin lesions of the ears, scalp, and face. The skin biopsy obtained on the previous encounter is consistent with solar keratosis.
2. A middle-aged woman developed a keloid scar on her left hand from a previous burn. Because it is unsightly, she asked her physician to excise the scar.
What are the appropriate diagnosis and procedure codes?