New Update - for Type 1 Diabetes
CGM Use for PSV Drivers (UK)
If you are a PSV (bus or coach) driver and manage diabetes, DVLA rules allow you to use a Continuous Glucose Monitor (CGM) while driving commercially, as long as it is suitable for making treatment decisions.
What “approved for treatment decisions” means
This means the CGM is accurate and approved to let you act on its readings (for example, treating a low) without always needing to confirm with a finger‑prick test. You must still carry a finger‑prick meter as a backup in case the CGM fails or does not match how you feel.
CGMs commonly accepted in the UK
The DVLA does not publish a fixed list of approved CGMs. However, devices commonly used in the UK and approved for treatment decisions include:
• Dexcom systems (such as Dexcom G6, G7 and Dexcom ONE)
• Other real‑time CGMs that are UK‑approved and labelled for non‑adjunctive use
Older or basic scan‑only systems may not meet this standard unless they are specifically approved for treatment decisions.
While driving
• Check your glucose before driving and at least every 2 hours
• Do not interact with the device while the vehicle is moving
• If readings seem wrong or you feel unwell, pull over safely and check with your finger‑prick meter
Key point
As long as your CGM is medically approved for treatment decisions and you follow DVLA guidance, it is allowed for PSV driving in the UK.
You can be fined up to £1,000 if you do not tell DVLA about a medical condition that affects your driving. You may be prosecuted if you’re involved in an accident as a result.
You must tell DVLA if you’ve had any epileptic seizures or blackouts.You must stop driving straight away.
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