Oh, she will receive care. Likely even for free, because Ukrainian refugeees are entitled to that. The moment she is registered the hospital knows they will get paid by the state. Otherwise the "paperwork" will be a fat bill for private patients. It is entirely possible that this will get sorted out eventually, but it is not certain, because normally people without public health care insurance have to get the necessary document in advance. Our health care is simple for workers, for people getting benefits, but deliberately complicated for people outside these categories.