# Dexcom G7 CGM Sensor Duration and Removal

> The Dexcom G7 CGM sensor lasts for up to 10 days CGMs are designed to work continuously and cannot be reinserted once removed Please keep the sensor attached 

Source: https://support.nutrisense.io/en_us/dexcom-g7-cgm-sensor-duration-removal-HJVIy5CJge

Last updated: 2026-01-05T17:19:34.320Z

The Dexcom G7 CGM sensor provides continuous glucose monitoring for exactly 10 days before requiring replacement.

**⏰ Key Duration Facts:**

*   **10-day maximum wear time** - Cannot be extended
*   **Single-use only** - Cannot be reinserted once removed
*   **Continuous monitoring** - Designed to work 24/7 for the full duration

**Important:** Keep the sensor attached for the entire 10-day period until the app indicates replacement is needed.

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## Early Removal Guidelines

Contact customer support before removing your sensor if you need to take it off prior to expiration.

**⚠️ Before Early Removal:**

*   Use the in-app chat to contact customer support
*   Explain your reason for early removal
*   Get guidance to avoid wasting your sensor

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## Sensor Disposal and Replacement

Replace your sensor when the app shows it has expired, typically after 10 days of continuous use.

### Disposal Process:

*   **When to dispose:** After the app indicates expiration (10 days)
*   **How to dispose:** Regular trash disposal is safe
*   **Removal instructions:** [Follow our detailed removal guide](https://nutrisense.kustomer.help/en_us/Hka8yc01le)

### Not Sure If Your Sensor Expired?

**✅ Quick Check:** \[Determine if your sensor has expired\](https://nutrisense.kustomer.help/en\_us/B1wUkqR1xl) and get removal tips

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