There is no government-issued medical cannabis card in the UK. You must first...

https://papa-wiki.win/index.php/What_does_the_UK_medical_cannabis_process_prioritise:_safety_or_speed%3F

There is no government-issued medical cannabis card in the UK. You must first secure a specialist prescription by sharing your medical records. While private clinics offer patient cards as optional proof of legal use, they aren’t a formal requirement.