We are having a dilemma in our office regarding the coding of unna boots. We know that when the provider sees the patient and decides that an unna boot should be applied and the nurse does the application, we can bill an office visit and the application of the unna boot. Our problem is with the patient who is coming in several times a week to receive unna boots and the provider is not seeing the patient only has an order to have the unna boots done. Can the nurse charge 29580 or is 99211 the only charge appropriate?