Tag not monitored by Microsoft.
Microsoft do not have a medical exception policy, in fact one of the reasons that there is a long renewal period (180 days) is to allow for issues that could prevent renewal
https://learn.microsoft.com/en-us/credentials/certifications/renew-your-microsoft-certification-faq
We recommend taking the renewal assessment well before expiration to allow time for any unforeseen events, such as medical emergencies, technical issues, or multiple retakes.