The point lalasmama was making us that only a grossly unethical or incompetent nurse would EVER use a used needle on a patient. And the nurse would know the needle was not sterile since she was the one who was stuck. To suspect that the nurse may have been stuck first and then used the needle is to accuse that nurse of gross incompetence and or intentional (and criminal) malice. It seems that the OP has no reason to suspect her pediatrician's nursing staff, or this nurse in particular, is either grossly incompetent or criminally malicious, so requesting medical information from the nurse is not necessary and, for lack of a better term, assholian.
I'm so sorry this happened, OP, because the multiple needle sticks are so hard on your child, but I think you're very thoughtful to comply and provide the sample. I do hope you'll be able to mitigate the negative effects on your child. It's a sucky situation all around, but try not to take it personally. Nobody really suspects your child is a danger. All of this is just paperwork for insurance purposes.
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