Yesterday, Jeremy was replacing his pod. He filled a new one with 200 units of Novolog and instead of the short beep letting him know that the pod had registered the insulin in it's reservoir, it began to beep constantly. It was obviously defective. After silencing it, he set the pod aside and successfully attached a new one. Before he set it aside, he pulled the insulin out of the pod and put it into a new pod. I called Insulet and told them what had happened and they added a new pod to my shipment to replace the defective one. During my conversation with their customer service rep, the topic of insulin removal came up and I told him that Jeremy had pulled the insulin from the old pod and injected it into the new pod. The rep advised me not to do it. I asked why and he said that while the pods are sterile, there is always the possibility that some foreign particle could be re-introduced from the old pod reservoir into the new pod reservoir. I told him that this insulin had never been used and it seems like such a waste to throw out 200 units of insulin, especially at this time of year when many of us are nowhere near to meeting our deductible and are currently paying full price for it. He agreed but said that Insulet does not recommend it. I know that many of us re-use unused insulin, especially when there is a lot remaining. It's not recommended but I cannot see how it could be compromised if it is inserted and then removed and re-inserted from a sterile container, into another sterile container.