Maryland's Department of Health and Mental Hygiene mistakenly allocated nearly $30 million to its health insurance exchange that should have gone to the State's Medicaid agency due to problems with the state's cost allocation methodology, HHS' Office Of Inspector General says in a report released Friday (March 27). OIG recommends that Maryland refund the $28.4 million to CMS, immediately revise cost allocation planning documents from July 1 to Dec. 31, 2014 "so that allocated costs correspond to the relative benefits...