All spending includes state and federal expenditures. Expenditures include benefit payments and disproportionate share hospital payments; do not include administrative costs, accounting adjustments, or the U.S. Territories. Total spending including these additional items was about $331.8 billion in FY2006.

Urban Institute and Kaiser Commission on Medicaid and the Uninsured estimates based on data from Centers for Medicare and Medicaid Services-64 reports, March 2009.

Outpatient Services includes outpatient hospital and clinic services, as well as payments made to rural health clinics and federally qualified health centers (FQHCs).
Other Services include dental, other practitioners, abortion, sterilization, transportation, physical and occupational therapy, services for individuals with speech, hearing and language disorders, programs of all-inclusive care for the elderly (PACE), dentures, eyeglasses, prosthetic devices, other diagnostic and rehabilitative services, and other uncategorized services.
Payments to Medicare are primarily premiums paid by Medicaid for Medicare enrollees. Medicaid may also pay Medicare cost-sharing for some individuals, but these amounts typically should be reported as payments for other services (e.g., inpatient hospital).
Managed Care & Health Plans includes payments to health maintenance organizations (HMOs), prepaid health plans (PHPs), and other health plans, as well as primary care case management (PCCM) fees.

Federal Fiscal Year: Unless otherwise noted, years proceeded by "FY" on statehealthfacts.org refer to the Federal Fiscal Year, which runs from October 1 through September 30. For example, FY 2009 refers to the period from October 1, 2008 through September 30, 2009.

1. The managed care expenditures shown for Arizona exclude approximately $1.6 Billion that is estimated was used to pay for long-term care services.