Avoiding Medical Billing Denials – Matching Your Place of Service Place of service codes are very important when performing medical billing. The place of service code will determine whether or not your practice is paid for services rendered. There are several different current procedural terminology medical billing codes that bring about confusion when choosing a place of service code. Many times when billing for home services, medical providers get confused as to which place of service code to use. The only time the actual place of service “home” should be used is in a patient’s apartment, house, etc. In this case you would use place of service code 12 for …