An invasive procedure rarely involves breaking the skin in order to perform the procedure. An inpatient is one who has been formally admitted to a hospital. POS code 21 would be used to report services performed in the inpatient hospital setting. Outpatients in a hospital must be confined to the outpatient unit and may never stay in the main building of the hospital. E/M codes 99202 to 99215 should be used for encounters in the ASC setting.
a) True
b) False