Aggregators (TIF) - Can we issue a policy to a customer, that is awaiting tests or treatment for a confirmed / diagnosed condition?

If a customer has a diagnosed condition, and is awaiting treatment, or tests relating to the confirmed condition - There will be no cover for cancellation or curtailment should they need to cancel or return early due to the treatment / investigation / tests. Emergency medical cover will be provided. The confirmed condition will need to be screened.