R.I. Gen. Laws § 27-20.11-5: Limits on cost sharing.

Benefits for services under this chapter shall be reimbursed in accordance with the respective principles and mechanisms of reimbursement for each health insurance carrier. Except as otherwise provided in this section, any policy, contract, or certificate that provides coverage for services under this section may contain provisions for maximum benefits and coinsurance and reasonable limitations, deductibles, and exclusions to the extent that these provisions are no more extensive than coverage provided for other conditions or illnesses. Coverage for autism spectrum disorders is otherwise subject to the same terms and conditions of the policy as any other condition or illness.