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Dexcom G7 15 Day

The Dexcom G7 15 Day 

The all-in-one Dexcom G7 15 Day CGM system is indicated for adults ages 18 years and older with diabetes, including type 1 diabetes, type 2 diabetes, and diabetes during pregnancy, including gestational diabetes. The G7 15 Day delivers real-time glucose readings sent automatically every 5 minutes to a compatible display device and is capable of integration with an array of connected devices.

The Dexcom G7 15 Day CGM sensor is compatible with the Dexcom G7 app (version 2.11.2 or later), and with an existing Dexcom G7 receiver after a software upgrade. Visit Dexcom Clarity | Dexcom for instructions.

For complete information, visit Dexcom

    Sensor Duration:

    Up to 15-day wear period plus a 12-hour grace period

    Warmup Time:

    60 minutes sensor warm-up time

    Approved For Children:

    Approved for adults, 18+ years

    Share Follow Capability:

    Yes, when using Dexcom G7 app and internet connectivity, allows up to 10 people to remotely follow glucose information and alerts. By downloading the Dexcom Follow app, Followers can view glucose data.

    Fingerstick Calibration Required:

    No fingersticks required (however, if glucose alerts and readings from this device do not match symptoms or expectations, users are advised to use a blood glucose meter to make diabetes treatment decisions).

    Customizable Alerts Alarms:

    Yes

    • Predicative alert: Urgent low soon alert: provides alert when your glucose is expected to reach 55 mg/dL within the next 20 minutes 
    •  Quiet modes:  vibrate or silence all
    • Alerts (low, high, rising/falling fast, delayed first alert (high), urgent low soon alert) can be customized with more sound options
    • Delay 1st Alert: postpones the initial High Glucose Alert until glucose levels stay above the set threshold for a chosen duration (15 min. to 4 hours)

    Software:

    Dexcom G7 app, Dexcom Clarity

    Accuracy:

    Overall MARD 8.0%

    Covered By Medicare:

    Yes

    Insulin Pump Compatibility:

    Recommended Placement:

    Back of upper arm

    Additional Details:

    Features:

    • Once inserted, the sensor is waterproof up to 8 feet. Swim, shower and take a bath with the sensor.
    • View a list of compatible smart devices , including Direct to Watch using Bluetooth.
    • Event logging feature encourages users to log medication, meals, activities, fasting glucose, and notes.
    • Photo logging allows users to log and visually track meals and activities in the app.
    • Smart Food logging enables users to log their meals with a photo of their food and AI will identify the ingredients, providing a detailed description.

    These Practice Pearls are based on the experience of diabetes care and education specialists and other healthcare professionals. They are intended to support device training and troubleshooting, but should not replace manufacturer instructions for use or individualized clinical judgment.
    Thank you to Sara (Mandy) Reece, PharmD, CDCES, BC-ADM, BCACP, FADCES, FCCP, Dean and Chief Academic Officer, Professor, Pharmacy Practice PCOM Georgia for these Practice Pearls

     

    • The G7 15 Day uses a new algorithm requiring a 60-minute warm-up (versus 30 minutes for the standard G7). Counsel individuals to plan sensor changes at a convenient time — not right before a meal, exercise session, or bedtime — to avoid a gap in glucose visibility.
    • The G7 15 Day is indicated for adults ages 18 years and older with diabetes: type 1 diabetes, type 2 diabetes, and diabetes during pregnancy, including gestational diabetes. For pediatric patients, the standard G7 (10-day wear) remains the appropriate choice.
    • Review site rotation and skin assessment as part of CGM education. Alternating approved wear locations may help reduce skin irritation and adhesion challenges. Review labeled guidance about avoiding areas with irritation, scarring, tattoos, or excess hair
    • Set realistic expectations around sensor wear and remind individuals to keep a backup sensor on hand in case of early failure.
    • With up to 15 days of wear, adhesion is a greater challenge than with shorter-wear devices. Recommend using the included overpatch. For active individuals, those in hot climates, or those with oily skin, additional options such as Skin Tac, SkinGrip, or Simpatch can improve longevity. Remind individuals to apply the skin prep wipe and let it dry fully before insertion — inserting too soon after a shower or exercise is a common cause of early sensor failure.
    • Verify compatibility of the G7 15 Day CGM at  at dexcom.com/compatibility before transitioning AID system users.
    • Medicare requires a dedicated Dexcom receiver as a display device. Confirm receiver eligibility and procurement during the DME ordering process to prevent delays
    • Review and customize key alerts: Urgent Low Soon (warns up to 20 minutes before severe hypoglycemia), Delay First High (helps reduce insulin stacking), and high/low threshold alerts. Tailoring these settings to the individual’s glucose targets and lifestyle reduces alert fatigue, reduces diabetes burden and supports sustained CGM use.
    • Encourage individuals to share Clarity data with the care team to identify recurring patterns (nocturnal hypoglycemia, post-meal spikes, dawn phenomenon) that may not be apparent from A1C alone. Review ambulatory glucose profile (AGP) reports at follow-up visits to guide therapy adjustments.
    • Up to 10 followers can receive real-time glucose data and alerts via the Follow app. This is particularly valuable for individuals who experience hypoglycemia unawareness, older adults, or those with cognitive impairment. The sensor must be within 33 feet of the display device (smartphone or receiver) for data sharing to function reliably.

    Transmitter Sensor Size:

    Wearable Sensor Dimensions: 27mm x 23mm x 4.7mm

    Receiver Size:

    93mm x 23mm x 12mm

    Battery:

    Receiver Longevity: 7 Days, Receiver Charge Time: 3 Hours

    Transmitter Range:

    Keep your sensor and display device within 33 feet

    Continuous Data Transmission:

    Yes (must be within 33 feet of display device (app and/or receiver) Bluetooth with Rapid Reconnect: Dexcom G7 delivers upgraded Bluetooth with Rapid Reconnect range up to 33 feet for strong and reliable connectivity to smartphone, smartwatch, receiver, and AID system.

    Danatech Resources

    Manufacturer Programs (coming soon for Dexcom G7 15-Day)

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    DISCLAIMERS: 

    This site and its services do not constitute the practice of medical advice, diagnosis or treatment. Always talk to your diabetes care and education specialist or health care provider for diagnosis and treatment, including your specific medical needs. If you have or suspect that you have a medical problem or condition, please contact a qualified health care professional immediately. To find a diabetes care and education specialist near you, visit the ADCES finder tool.

    ADCES and danatech curate product specifics and periodically review them for accuracy and relevance. As a result, the information may or may not be the most recent. We recommend visiting the manufacturer's website for the latest details if you have any questions.

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