a. Yes, E/M coding or the evaluation and management coding is necessary in the medical billing process. In order get the reimbursement from the insurance provider, the health care services need to generate this code. So, in this case, the generation e/m code is required.
b. The code “12002” is assigned to the lesions, which are 2.6cm to 7.5cm deep. As the lesion in this case is 3cm, the correct code would be 12002.