Evaluation and Management coding Guidelines

1. Evaluation and Management Services
 Basics of Evaluation and Management
 Evaluation and Management Services
Out patient
- New patient ( 99201 -99205)
- Established patient (99211 -99215)
Out patient consultation ( 99241 – 99245)

2. In patient
- Initial visits (99221 – 99223)
- Subsequent visits ( 99231 – 99232)
In patient consultation (99251 – 99255)
Observation
- Initial visits (99218 – 99220)
- Subsequent visits ( 99224 – 99226)
Same day admit and discharge ( 99234 – 99236)
Critical care (99291 – 99292 )

3.  Emergency Department (ED)/Emergency Room (ER)
99281 -99285
 Prolonged Services
 Out patient ( 99354 and 99355)
 In patient ( 99356 and 99357)

4.  Time Based coding
 Modifiers
 Vaccinations/ Immunization Coding
 Injections – Intramuscular, Subcutaneous and Intravenous
 IV Hydration

5.  Common procedures in E/M out patient
 Post Operative services
 PQRS Coding
 Preventive and Annual wellness visits