Except as otherwise specifically provided in this chapter, an insurer shall process a claim for payment for health care services rendered by a practitioner or facility to a beneficiary in accordance with this section. An insurer that fails to pay, request additional information or documentation or deny a claim from a beneficiary, practitioner or facility within the time periods established in this chapter shall pay interest at the contract statutory rate pursuant to section 28-22-104, Idaho Code, on the unpaid amount of a claim that is determined to be due and owing.