For which situation do individuals not have appeal rights?

In the context of health insurance and Medicaid, individuals have specific appeal rights depending on the situation. When it comes to presumptive eligibility determinations, these typically occur when an individual is provisionally determined to be eligible for Medicaid before a full review is completed. This status allows for immediate access to benefits, but because it is not a final determination of eligibility, there are no established appeals processes associated with it. Without a formal eligibility decision, an individual cannot contest a presumptive eligibility determination, as it is not a complete assessment.

In contrast, eligibility for Medicaid, claim denials for services rendered, and changes in plan benefits typically involve more formal decisions that grant individuals the right to appeal. For instance, if a person is denied eligibility for Medicaid, they can appeal that decision through a designated process. Similarly, if a claim is denied for a service received, the individual usually has the right to challenge that decision through an appeals process. Changes in plan benefits are also subject to appeals, particularly if they impact the individual's coverage or access to services.

Thus, the absence of appeal rights for presumptive eligibility determinations is why it stands out as the correct answer in this scenario.