(1) The amounts of the following types of payments are determined according to the specific department rates in effect on the date the medical service or services are provided, regardless of the date of injury:
(a) medical fees;
(b) facility charges;
(c) prescription drugs; and
(2) When services, procedures, or supplies are bundled for purposes of billing and the bundling covers more than one day, the date of discharge must be used as the date the services are provided for purposes of this rule.