I work at an urgent care facility at the base of a ski mountain. We use the code 99058 - 25 for all incidents that are seen that day without having to make an appointment. We then bill out the remainder of the services, which can include 99204. I have had a person contact me and say that this is illegal because they are the same services. We have used these codes regularly but I would like to know if it is ligimate that we can or can't use these codes together? And the official reason why or why not. Any help in sorting this all out would be greatful.