Can My 23 Year Old Be On My Health Insurance? 
If you 're covered under a group health insurance plan , you can have your child on your health insurance plan until they turn age 26 . Many times at age 23 , it may be cheaper for both parties for the child to be on their own plan and they may be able to qualify for a subsidy -LRB- since 2014 -RRB- to reduce the cost of their health insurance . 