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Setting up your Freestyle Libre

STEP 1.

Check compatibility
Use our compatibility guides to see if your phone is compatible with the 

FreeStyle Libre 3 or FreeStyle Libre 2 app

STOP HERE!

If you still need to get your CGM sensor prescribed, send a portal message with what sensor you’d like to use and where you want to pick it up.

Libre 2: costs about $65-$125 out of pocket with insurance; Big Trees MD members get them for $75 cash) 

Libre 3: is typically found at Sonora Safeway and can have an out of pocket cost of $165 with insurance.

 

PRO-TIP: ORDER SKIN TAC WIPES -- these help ensure your sensor stays on during your two weeks of monitoring!  We find that these are more likely to help the monitor stay than alcohol wipes. 

 


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STEP 2.

Connect your phone
Make sure that your phone has the latest

software update and is connected to a

network, either WiFi or cellular, and you've

created a Libre account. If you've

purchased your Libre2 from Big Trees MD,

you will need to download the LibreLink,

here.

Once you apply the sensor and scan it to

connect it to your phone, it will take 60 mins

from connecting the sensor to when it records the first blood sugar reading. 

Connect to Big Trees MD

In the app and when prompted, enter our

Big Trees MD clinic CODE

so that the doctors can

see your sugars: 

ID: 744f33cc00e4a9c9


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STEP 3. Watch the video relevant to your Libre sensor below:
Scan your sensor as instructed.

Screenshot 2023-11-01 at 4.45.42 PM.png

Freestyle Libre 2

Watch how to use the Libre 2 below. 

The more you scan the FreeStyle Libre 2 app, the more you know.
Scanning at least once every 8 hours saves your glucose history on the app. The app also has a Logbook feature to add notes when you scan. Use it to track food, activity, insulin, and any medication you take.

How to Use the FreeStyle Libre 2 Mobile App

How to Use the FreeStyle Libre 2 Mobile App

Play Video
How to Apply the FreeStyle Libre 2 Sensor

How to Apply the FreeStyle Libre 2 Sensor

Play Video
How to Read the FreeStyle Libre 2 System - Your First Glucose Reading

How to Read the FreeStyle Libre 2 System - Your First Glucose Reading

Play Video

Freestyle Libre 3

Watch how to use the Libre 3 below.

Once you’ve connected your sensor to your smartphone; you’ll receive continuous, real-time glucose readings on your smartphone, so you’ll know when your glucose is getting low and can act faster to avoid a hypo.

Setting your alarms:

Optional, real-time glucose alarms let you know the minute your glucose is too low or too high

How to Use the FreeStyle Libre 3 App(*) & Start the Sensor

How to Use the FreeStyle Libre 3 App(*) & Start the Sensor

Play Video
How to Apply the FreeStyle Libre 3 Sensor | Getting Started Tutorial

How to Apply the FreeStyle Libre 3 Sensor | Getting Started Tutorial

Play Video
How to Use the FreeStyle Libre 3 App(*) to View Your Glucose

How to Use the FreeStyle Libre 3 App(*) to View Your Glucose

Play Video
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©2025 Big Trees MD, a health clinic through BIG TREES HEALTH

A Direct Primary Care Clinic in Arnold, CA

For informational purposes only, a link to the federal Centers for Medicare and Medicaid Services (CMS) Open Payments web page is provided here. The federal Physician Payments Sunshine Act requires that detailed information about payment and other payments of value worth over ten dollars ($10) from manufacturers of drugs, medical devices, and biologics to physicians and teaching hospitals be made available to the public. Open Payments Database

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