Question 1
Why was the placeholder "x" implemented in the ICD-10-CM?
◦ to allow for seven characters in all codes
◦ to allow for expansion of additional codes in the future
◦ for a new convention
◦ to distinguish between the ICD-9-CM and ICD-10-CM
Question 2
S22 categories relate to
◦ types of fractures
◦ accidents
◦ organ damage
◦ types of tumors