Domestic Worker refused admision after failing to pay R50 000

My domestic worker was scheduled for a hysterectomy, at the advise of the medical practioner in the same hospital,this morning. This after months of treatment (11 months) at both Charlotte Maxeke and Alexandra Day Clinic. When she got to the hospital she was refused admision without paying R50 000. R50 000 at a government hospital? Is it because she's Zimbabwean? Can somebody explain the criteria to me and who similar hospital handle foreignours in need of medical attention. Does a person have to die first and South AFrican receives yet another media criticism? This is personal to me as my cousin (a South African) passed away in 2011 after the same hospital kept postponing her treatment. I hope someone will provide clarity for me.