1. Place of E/M service- Out patient facility, inpatient (hospital), and assisted living. Someone coming to the office of a broken bone and an elderly lady needing to been seen at a 24 hour facility get coded different because it is two different scenarios.
2. Type of E/M service- was the visit a new patient visit or an established patient visit. a new patient visit will take longer then a established patient visit.
3. Unique code identified with the E/M service-the E/M Service section of the CPT book lists these requirements clearly, providing the foundation and structure for E/M service codes and the E/M services represented by the codes.
4. Amount