Frequently Asked Questions

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In the Medicaid Analytic eXtract (MAX) data, how is the age of an enrollee determined?

For each enrollee "eligible birth date" is reported in MAX data element #11 in the Person Summary File (MAX 2005-2009).  For all years of MAX, age is determined as of December 31 of the year.  For example, any person born in 2008 is reported as age = 0 in the 2008 MAX data, because they have not yet attained age 1 on or before December 31, 2008.

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