# Stockpiling Dexcom G5 transmitters: how long do they last?

**URL:** https://forum.fudiabetes.org/t/stockpiling-dexcom-g5-transmitters-how-long-do-they-last/3361
**Category:** C/GM
**Tags:** dexcom
**Created:** [January 28, 2018, 7:49pm UTC](https://forum.fudiabetes.org/t/stockpiling-dexcom-g5-transmitters-how-long-do-they-last/3361 "2018-01-28T19:49:34Z")
**Posts on this page:** 1
**Showing post:** 13

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### Author: ![Michel](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/michel/32/387_2.png) [@Michel](https://forum.fudiabetes.org/u/Michel)
#### Post date: [January 28, 2018, 10:12pm UTC](https://forum.fudiabetes.org/t/stockpiling-dexcom-g5-transmitters-how-long-do-they-last/3361/13 "2018-01-28T22:12:03Z")

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> [@Trying out R+NPH, an experiment: tips from old pros please?](https://forum.fudiabetes.org/t/trying-out-r-nph-an-experiment-tips-from-old-pros-please/3355/121):
>
> I’ve been told by Dexcom 1 year from the “ship by” date when buying from distribution, since Dex doesn’t know when it was shipped to you.

@kmichel, @bkh, after re-reading my notes, this is what I got from Dexcom when discussing with them in the past couple of months as I was preparing for our long Euro trip:

- the transmitter must be shipped to the customer within 8 months of the _Manufacture By_ date (the date next to the factory icon on the box). The _Ship By_ date is indicated on the box as SB

- the transmitter MUST be started by the customer within 5 months of ship date. If there is any debates on that, Dexcom goes by the date the insurance paid for the transmitter

- _If that happens_, then Dexcom warranties the transmitter for 90 days.

I was also told unofficially that, if you start the transmitter 12 months or more after the manufacturing date, you are very likely to run into trouble.

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