May 10th, 2022 
The levels of E/M services are based on four types of examinations. Please list and define each one
post should be at least 100 words
The reference at the bottom of your post should appear as follows:
Reference
Carol J. Buck, Saunders (2022). Step-by-Step Medical Coding, 2022 Edition, by Carol J. Buck, Saunders
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