There is no UK government medical cannabis card. Access requires a specialist...

https://mylesjnqb962.iamarrows.com/why-is-the-uk-medical-cannabis-system-so-slow-a-behind-the-scenes-look

There is no UK government medical cannabis card. Access requires a specialist consultation and medical record review for a prescription. While optional, a clinic-issued card serves as helpful proof of lawful use to show authorities or employers if asked.