If you didn't know the reason for the switch from ICD-9 to ICD-10, it is simply this - it is out of room. Apparently, the ICD-9 code set is unable to expand for additional disease classification or newly identified diseases. ICD-10 will include a larger mix of numbers an letters to increase the number of diagnosis codes available.
The electronic health record enables health care providers to effectively manage patient care through the use and sharing of patient records. Is your office properly trained and equipped to be meaningful users of EHRs?