MS-DRGs Differ from DRGs in That MS-DRGs Take into Account

MS-DRGs differ from DRGs in that MS-DRGs take into account __________________.

A) patient demographic data such as address, insurance type, etc.
B) various levels of patient illness using secondary diagnoses.
C) whether the hospital is a "teaching" hospital or "non­teaching" hospital
D) whether the patient has had any previous hospitalizations