Australian Doctors: fixing a scar from a non cosmetic operation covered by Medicare?

I had a massive operation (non cosmetic) and has left me with a scar right down the middle of my stomach from under my rib cage right down to my lowest part of my tummy it's about 30cm long, i know there is an operation to cut the scar out and create a new one which somehow helps (not too sure what it's called) but I was woundering if it's covered by Medicare? And if so how do I go about getting it done through Medicare

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