There’s no official government medical cannabis card in the UK. Access depends...

https://raymondnngc161.tearosediner.net/is-there-a-fixed-list-of-qualifying-conditions-for-uk-medical-cannabis

There’s no official government medical cannabis card in the UK. Access depends on a specialist consultation and your clinical records. If you receive a prescription, private patient cards are available as optional, handy proof of your legal status.