for a quick reference / crash course on these two levels:
99213 - 1-3 elements for HPI or status of 1-2 chronic conditions,
Problem Pertinent ROS
Exam up to 7 organ systems at least 6-11 bullets,
MDM: At least 1 established problem worsening, or 2 established problems stable, or atleast one
new problem
Low risk, and limited data review
99214- 4 HPI elements, or status of 3 chronic conditions
2-10 system ROS
Pertinent Medical, Family, or Social History
Exam up to 7 organ systems at least 12 bullets
MDM: Multiple diagnosis
Moderate Risk, and/or Multiple data review
for more detailed info, its best to go to your local Medicare contractor website and look up the E&M information. Most often there are score sheets, and tips your can use to better analyze the office note. There are many factors that can go into selecting a level of service -- this is just a quick very brief over-view. It really is in your best interest to look for a score sheet with your current Medicare contractor.
another helpful tool is E&M university
http://emuniversity.com
Louise CPC
HTH
Louise CPC