13 pages. "The HHS-operated risk adjustment methodology determines each plan's risk adjustment transfer amount ... For the 2018 benefit year, HHS applied this methodology in all 50 states and the District of Columbia.... Beginning for the 2018 benefit year, HHS introduced the high-cost risk pool (HCRP) within the HHS-operated risk adjustment methodology.... Additionally, the 2018 benefit year is the first year risk adjustment risk scores account for certain drug classes in the risk adjustment models for adults in the individual and small group (or merged) markets."