UIO Service Area is derived using NAACCR*Prep based on the state and county at the time of diagnosis. It includes Urban Indian Organization service areas that contain Urban Indian Health Programs and other Urban Indian Organizations that provide health care to urban American Indian and Alaska Native people.

Data analyses restricted to UIO service areas improve the accuracy of cancer statistics for urban American Indian and Alaska Native (AI/AN) people. This derived data item facilitates the production of incidence rates for urban American Indian and Alaska Native people.

Codes