User's Manual

Dexcom G5x System User Guide

Glossary

A1C

Blood test used to diagnose type 1 or 2 diabetes

and to gauge how well you’re managing your

diabetes. The A1C test result reflects your

average blood sugar level for the past two to

three months.

Accessory Device

Hardware, connected to your smart device by

Bluetooth

, you use to get easy access to some of

its features. For example,

Bluetooth

headset,

Apple watch, or smart watch.

Also called wearables.

Alternative Site

Testing

Using a blood sample from non-fingertip

(alternative) sites such as the palm, forearm, or

upper arm for meter readings.

Do not use alternative site testing to calibrate the

Dexcom G5

x CGM System (G5x), only use

fingerstick measurement.

App

A self-contained program or piece of software

designed to fulfill a particular purpose; an

application, especially as downloaded by a user

to a smart or mobile device.

The Dexcom G5® Mobile app (app) was

developed as a display for continuous glucose

monitoring.

Apple Watch®

Accessory device for iPhone®.

Blood Glucose (BG)

An abbreviation of blood glucose. Blood glucose

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