Medi-cal expenditures on behalf of persons in institutional settings and all expenditures on behalf of persons age and older are subject to 'asset recovery' under federal medicaid rules following the death of the individual.

55 years and older.

Explanation:

Based on the information provided within the question it can be said that the age being mentioned in the statement is that of people age 55 years and older. People of this age or older are subject to "asset recover", meaning that in some cases, other family members could be held responsible for paying off the Medi-Cal expenditures that have been made.