Final answer:
TRICARE Standard does not require enrollment and includes both a cost share and a deductible. Beneficiaries can see any TRICARE-authorized provider and pay a portion of the costs, with the government contributing to the rest.
Step-by-step explanation:
The TRICARE option that does not require enrollment and includes a cost share and deductible is TRICARE Standard. This plan is offered to eligible beneficiaries who are not required to enroll in the plan but can receive health care services from any TRICARE-authorized provider. Under the TRICARE Standard, beneficiaries pay a deductible and a cost share for covered healthcare services. The government contributes a significant portion of the costs, but unlike TRICARE Prime, which requires enrollment, TRICARE Standard offers more flexibility in choosing providers at the expense of having to pay deductibles and cost shares.