; (B) be capable of returning a list of participating in-network facilities and practitioners, in a given specialty or at a particular facility type, within a specified geographic radius; and (C) be capable of returning the network status, when presented with identifiers for a given enrollee and facility or practitioner. (3) Estimated patient out-of-pocket costs, including costs expected to be incurred through a deductible, copayment, coinsurance, or other form of cost-sharing, for— (A) a designated set of common services or episodes of care, to be established by the Secretary through rulemaking, including, at a minimum— (i) in the case of services provided by a hospital, the 100 most common diagnosis-related groups, as used in the Medicare Inpatient Prospective Patient System (or successor episode-based reimbursement methodology) at that hospital, based on claims data adjudicated by the group health plan or health insurance issuer; (ii) in the case of services provided in an outpatient setting, including radiology, lab tests, and outpatient surgical procedures, any service rendered by the facility or practitioner, and reimbursed by the health plan or health insurance issuer; and (iii) in the case of post-acute care, including home health providers, skilled nursing facilities, inpatient rehabilitation facilities, and long-term care hospitals, the patient out-of-pocket costs for an episode of care, as the Secretary may determine, which permits users to reasonably compare costs across different facility and service types; and (B) all prescription drugs currently included on any tier of the formulary of the plan or coverage. (c) Availability and access The application programming interfaces, including all data required to be made available through such interfaces, shall— (1) be made available by the applicable group health plan or health insurance issuer, at no charge, to— (A) enrollees in the group health plan or health insurance coverage; (B) third parties authorized by the enrollee