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Numerator

Count of Medicare FFS beneficiaries who are American Indian or Alaska Native

Denominator

Count of Medicare FFS beneficiaries

Methodology

Divide the count of beneficiaries who are American Indian or Alaska Native by the count of Medicare FFS beneficiaries.

Medicare FFS beneficaries limited to those who (a) have no months of HMO enrollment and (b) have both Part A and Part B for whatever portion of the year that they are covered by FFS Medicare (i.e., they have no months of A-only or B-only coverage).

Beneficiary age group (< 65 and 65+ ) was determined using the age of the individual at the end of the reference year or the individual's age at the time of death.

References

HRR documentation is posted at http://www.dartmouthatlas.org/downloads/methods/geogappdx.pdf • SSA state and county code documentation is posted at County to CBSA crosswalk file

Posted rates are based on RTI Race Code, RTI Race Code