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

https://johnathanrsnj030.lucialpiazzale.com/what-should-i-do-if-a-clinic-asks-for-records-i-cannot-access-quickly

There is no government medical cannabis card in the UK. Access requires a specialist consultation and prescription, supported by your medical records. You may opt to buy a private card as proof of your lawful status, but it remains entirely optional.