Statute of limitations.

(1) Any action for damages brought under this part shall be commenced within 2 years from the time the incident giving rise to the action occurred or within 2 years from the time the incident is discovered or should have been discovered with the exercise of due diligence; however, in no event shall the action be commenced later than 4 years from the date of the incident or occurrence out of which the cause of action accrued.

(2) In those actions covered by this subsection in which it can be shown that fraudulent concealment or intentional misrepresentation of fact prevented the discovery of the injury, the period of limitations is extended forward 2 years from the time that the injury is discovered with the exercise of due diligence, but in no event for more than 6 years from the date the incident giving rise to the injury occurred.

(3) This section shall apply to causes of action that have accrued prior to the effective date of this section; however, any such cause of action that would not have been barred under prior law may be brought within the time allowed by prior law or within 2 years after the effective date of this section, whichever is earlier, and will be barred thereafter. In actions where it can be shown that fraudulent concealment or intentional misrepresentation of fact prevented the discovery of the injury, the period of limitations is extended forward 2 years from the time that the injury is discovered with the exercise of due diligence, but in no event more than 4 years from the effective date of this section.