Bluetooth GATT Service Reference
Continuous Glucose Monitoring (0x181F)
The Continuous Glucose Monitoring (CGM) Service exposes glucose measurement and other data related to a personal CGM sensor for healthcare applications.
Quick Summary
No fixed value payload is declared in this XML; this entry defines metadata and profile structure. This page is generated from official GATT XML and presented as implementation-ready guidance.
At a Glance
Key reference details for BLE implementation, interoperability testing, and AI-assisted troubleshooting.
| Property | Value |
|---|---|
| Name | Continuous Glucose Monitoring |
| UUID | 0x181F |
| Type | org.bluetooth.service.continuous_glucose_monitoring |
| XML Root | Service |
| Source File | org.bluetooth.service.continuous_glucose_monitoring.xml |
| Field Count | 0 |
Characteristic List
Characteristics declared by this service profile entry.
| Characteristic | Type | Requirement | Properties |
|---|---|---|---|
| CGM Measurement | org.bluetooth.characteristic.cgm_measurement | Mandatory | Notify |
| CGM Feature | org.bluetooth.characteristic.cgm_feature | Mandatory | Read |
| CGM Status | org.bluetooth.characteristic.cgm_status | Mandatory | Read |
| CGM Session Start Time | org.bluetooth.characteristic.cgm_session_start_time | Mandatory | Read, Write |
| CGM Session Run Time | org.bluetooth.characteristic.cgm_session_run_time | Mandatory | Read |
| Record Access Control Point | org.bluetooth.characteristic.record_access_control_point | Mandatory | Write, Indicate |
| CGM Specific Ops Control Point | org.bluetooth.characteristic.cgm_specific_ops_control_point | Mandatory | Write, Indicate |
Use Cases and Integration Notes
Service Discovery
Use this definition to validate discovered services and expected characteristics during BLE onboarding.
Profile Compliance
Cross-check required characteristics and properties for conformance and QA automation.
App Capability Gating
Drive feature availability in apps based on whether service-level requirements are present.
Implementation Checklist
- Validate the service UUID during discovery before reading characteristic metadata.
- Ensure mandatory characteristics exist and expose expected properties.
- Map declaration data to app feature flags before attempting writes/subscriptions.
- Record mismatches between firmware tables and expected profile definitions in logs.
Dependencies
- This Service has no dependencies to other GATT-based services.
FAQ
What is Continuous Glucose Monitoring in Bluetooth GATT?
Continuous Glucose Monitoring is defined as a Bluetooth GATT service entry with type org.bluetooth.service.continuous_glucose_monitoring and UUID 0x181F.
What UUID identifies Continuous Glucose Monitoring?
The UUID for Continuous Glucose Monitoring is 0x181F.
How should I parse Continuous Glucose Monitoring?
Parse the structure and requirements from the XML definition, then enforce format/requirement rules in your BLE stack.
Where does this definition come from?
This page is generated from the Bluetooth SIG mirror XML in the oesmith/gatt-xml repository.
How does this page support BLE implementation?
The page combines structured tables, practical Q&A, and JSON-LD metadata to help teams validate integrations and troubleshoot consistently.