I have seen rare cases where UoM has accepted a 24 raw SS for their 25+ SS courses, but so far, not Monash. However, with the pandemic in 2020, you might be able to win the appeal and sneak in. Hopefully that works.
If that plan fails, as a back up plan, you can still try going via other courses and transfer in after a semester with good grades e.g. start in a Bachelor of Science or Health Science, do as many subjects from Biomed as you can (and you might need to take a Methods equivalent subject to fulfil the prereq, but check with Monash first), get a 70+ WAM (75+ WAM would be preferable, but not necessary, both of which are doable) and then apply to transfer for first year Sem 2 into Biomed. Still gets you there, although you’ll be in a different course for one semester, if push comes to shove. (I know it’s not the greatest, but that’s why it’s a back up plan.)