There is no official government medical cannabis card in the UK. Access...

https://blogfreely.net/gertonmhvf/what-happens-after-i-am-approved-for-medical-cannabis-in-the-uk

There is no official government medical cannabis card in the UK. Access requires a specialist consultation and your medical records. Once prescribed, you may choose to carry a private card as proof of your lawful use, though this is entirely optional.