(38) For the purposes of the assessment of serious injury in accordance with subsections (16) and (19) -
...
(b) the terms serious and severe are to be satisfied by reference to the consequences to the worker of any impairment or loss of a body function, disfigurement, or mental or behavioural disturbance or disorder, as the case may be, with respect to -
(i) pain and suffering; or
(ii) loss of earning capacity -
when judged by comparison with other cases in the range of possible impairments or losses of a body function, disfigurements, or mental or behavioural disturbances or disorders, respectively;
(c) an impairment or loss of a body function or a disfigurement shall not be held to be serious for the purposes of subsection (16) unless the pain and suffering consequence or the loss of earning capacity consequence is, when judged by comparison with other cases in the range of possible impairments or losses of a body function, or disfigurements, as the case may be, fairly described as being more than significant or marked, and as being at least very considerable;
...
(h) the psychological or psychiatric consequences of a physical injury are to be taken into account only for the purposes of paragraph (c) of the definition of serious injury and not otherwise;
(i) the physical consequences of a mental or behavioural disturbance or disorder are to be taken into account only for the purposes of paragraph (c) of the definition of serious injury and not otherwise;
...