Completes initial and follow-up medical record reviews using an organized approach to survey admit notes, past medical history, home meds, physician/provider documentation, treatments, orders, ancillary department notes, laboratory data, and other pertinent components of the clinical record. Works collaboratively with medical, nursing, and ancillary staffs to improve the quality of chart documentation that assures appropriate DRG classification to accurately reflect patient severity of illness and risk of mortality and anticipated/geometric mean length of stay (GMLOS).