# Who's on First? What's on Second? I don't know is on Third (confusing CGM numbers) **URL:** \ **Category:** C/GM\ **Created:** [March 29, 2019, 11:32pm UTC](https://forum.fudiabetes.org/t/whos-on-first-whats-on-second-i-dont-know-is-on-third-confusing-cgm-numbers/7101 "2019-03-29T23:32:08Z")\ **Posts on this page:** 1\ **Showing post:** 12
**Author:** ![TravelingOn](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/travelingon/32/1583_2.png) [@TravelingOn](https://forum.fudiabetes.org/u/TravelingOn)\ **Post date:** [July 16, 2019, 1:57pm UTC](https://forum.fudiabetes.org/t/whos-on-first-whats-on-second-i-dont-know-is-on-third-confusing-cgm-numbers/7101/12 "2019-07-16T13:57:50Z")
Welcome! You’re right! Hand washing is a healthy habit and one that makes for less sticks in the long run! We had a chat about this in the past that you might find interesting: > [@Fingerstick and Handwashing](https://forum.fudiabetes.org/t/fingerstick-and-handwashing/2509): > > The Dexcom G5 wanted a calibration and it was going into nighttime as well as the cgm data showed straight and level so it seemed a good time to calibrate. Using our Contour Next One we did a fingerstick as normal. The resulting number on the meter seemed surprisingly high. Not crazy high but enough that it made us do a double take. As well, the calibrations are usually very close between the meter and the cgm but this was off by quite a bit. On the other hand, this cgm graph was showing a … --- _[View the full topic](https://forum.fudiabetes.org/t/whos-on-first-whats-on-second-i-dont-know-is-on-third-confusing-cgm-numbers/7101)._