Nearly 2 million kids have been kicked off Medicaid this year - Vox

The Biden administration announced last month that it had detected a problem with how states were conducting their eligibility checks. A majority of states, as it turns out, were automatically disqualifying everybody in a family if they found that one person (most likely a parent) was no longer eligible for Medicaid. 

That approach might simplify the process for states, but it risks kicking eligible children off the program. Most states have more generous eligibility rules for children than they do for parents. So while a parent may no longer qualify for Medicaid, their child still might. The administration has demanded states take steps to make sure they are evaluating the eligibility of each individual, to ensure children are not being unnecessarily removed from Medicaid…

https://www.vox.com/policy/2023/10/13/23914264/medicaid-health-insurance-enrollment-data-unwinding-october