You and @DrBB are not the only people I’ve heard this happened to with Tandem. Disturbing is the word I’d use to describe their lack of urgency as well. My order took 2 weeks to process before I got my X2, and I was very surprised it took that long. I was used to Medtronic magically getting a new pump out to me in a matter of a few days. If I was in your situation, I would have done the same damn thing, and called Medtronic.
Yes, can u believe Medtronic had a loaner pump on the way in 2 HOURS, following my call to them. Shame on Tandem for not being very caring.
That’s amazing they got a loaner out to you that fast. I don’t like hearing Tandem is taking a lackadaisical approach to getting pumps out to new patients.
Getting a loaner pump from Medtronic and a new Pump from Tandem are 2 completly different scenerios and you can’t compare the two.
It took about a 6 weeks for me to get my NEW pump from Tandemn. Switching from Medrtronic to Tandem. Steps included in that process were:
– TIme for Tandem to resond to my request for a new pump (that took about a week)
– Tandem Sending me addition Documentation that I had to comple (2-3 days).
–Tandem completing Insurance verification that I was eligible for a new pump. (that took about a week and a half) . There was some back and forth between me, Tandem and BCBS.
– New Script from Doctor ( that took about a week)
–Scheduling Training (that took about a week).
Why I wish it was faster, but with the bureaucracy of the good ole USA medical system I wasn’t too supprised.
Was it worth the wait? For me, Yes.
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Dave44, you are on Medicare. Tandem does not have a contract with Medicare so they referred you to CCS, a medical supply company which does. CCS takes a very long time to process anything (possibly like other medical supply companies). They took almost 8 weeks to get Medicare approval for my Tandem supplies. I suspect that they dragged their feet intentionally because you would be leaving Medtronics. Since you were a Medicare and a Medtronics customer already, Medtronics did not have to requalify you and could react very quickly to your need for a replacement pump. Had you purchased a pump from Tandem without Medicare involvement, you would have had a pump the very next day also.
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My Medtronic 523 broke the plastic battery sleeve . When I called Medtronic they told me to stop using the pump and use my backup plan (needles). It took them 3 days to get a replacement pump to me.
That’s very strange. They’ve always overnighted a malfunctioning pump to me. I had one instance where I got a motor error on a Friday night. Medtronic couldn’t get the pump delivered until Monday, so they got an employee to go to their warehouse in Kentucky, grab a replacement pump and fly to Los Angeles, rent a car and hand deliver the pump to me at my home in Marina del Rey, the same night. I will never say Medtronic has not taken care of me. Now, Tandem on the other hand is like pulling teeth to get a bad pump replaced.
You are incorrect when you claim the delay was because of CCS Medical/Medicare/Tandem. CCS medical was quite fast at processing my order for the Medtronic pump. I’ve no complaints with that process. The issue was TANDEM and nothing else.
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What day, and what time of the day did you call? If it is after 3PM on a Friday it will likely take until Monday. Otherwise pumps are replaced before noon the next day, often by 10:30AM
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I received a 90-day loaner the next day from Medtronic and it wouldn’t have cost me anything if returned within that period EVEN IF I CHOSE A DIFFERENT BRAND OF PUMP. THAT is good service. Tandem was fully aware that I had A BROKEN PUMP when I called them.
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No, I AM correct. You were already a Medtronics and Medicare customer so they did not have to requalify you. You were ready to go. Tandem has nothing to do with Medicare. No contract at this time. That is why they referred you to CCS. Only CCS could get you a Tandem pump through Medicare. And they delayed.
Say it as many times as you want. I am the one who was on the phone with those companies–you werent. CCS medical provided me a Medtronic pump. The ball was dropped by Tandem and now would YOU please drop this argument!
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Why do you constantly pluralize the word Medtronic?
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LOL! On the bottom of my pump it is described as "Medtronic MiniMed". For many years I shortened it in convos to “MM” for “MiniMed”. Too many people didn’t understand. sigh.
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You didn’t put an s on Medtronic, the other person did and always does. I just wonder why. Obviously, they know more about your conversation with Tandem than you do.
Yeah, I know I don’t misspell it. 
Yes, I’m not sure how they think they know what when down with my pump request. I was there. Just me.
I had originally intended to get the Tandem pump, so it’s not like I haven’t tried, so for someone to keep defending, repeatedly the company which I had chosen to purchase a pump from, seems misguided. It’s not like when an Apple person is ripping on an Android user or vice versa–I’ve no beef with the pump, just tandem’s procedures for customers who have a broken pump who want to get a pump from them. They are too slow. period.
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I couldn’t have said it better.
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Wrong. yes they did.
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I hope you boys are done having fun. This is totally irrelevant to the thread, which is about Tandem Tslim Pump Cartridges.
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Back to the OP’s original question -
What does Tandem TS say when you ask about the discrepancy? The remaining volume in the reservoir when it’s fully depleted is about 20 units. That comes from one of Tandem’s CDE’s. The numbers always add up for me so what you’re experiencing isn’t normal. The pump calculates reservoir volume by measuring reservoir pressure incrementally as insulin is pumped out. Perhaps the pressure sensor on the pump is the issue? Maybe the pump losing effectiveness at low reservoir volumes is related? Pure speculation on my part. I’d call Tandem TS if you haven’t already done so.