No, rheumatoid arthritis isn’t covered under critical illness cover if the condition is pre-existing.
This means you won’t be able to make a claim on your policy for this reason. It’s also likely that there will be exclusions added for any related conditions.
However, if you’re diagnosed with rheumatoid arthritis during the term of your policy, the condition may be covered.
Not all providers will cover rheumatoid arthritis within their critical illness cover and any diagnosis would need to match the definition of the insurer.