After the 1995 DGs for E/M services was written, what changed in the 1997 DGs for E/M services?

a. The 1997 DGs provided more detailed guidelines for the language in which the medical record documentation of the E/M service should be written.
b. The 1997 DGs provided more detailed guidelines for how long the patient should wait for the clinician during an E/M service.
c. The 1997 DGs provided more detailed guidelines for the physical examination during an E/M service.
d. The 1997 DGs provided more detailed guidelines for the amount of time spent by the clinician during an E/M service.

c) The 1997 DGs provided more detailed guidelines for the physical examination during an E/M service