I’ll let others give you a more specific answer to your question that is rapa related… but…
For general health, if you’ve never done so, it’s a good idea to test Lp(a) … it’s a one time test. If it’s elevated, it shows you that you want to keep your lipids lower than one who has less risk
Vit d is a good test to have if you have no idea where you are.
If you are plant based, I’d get b12 to make sure your levels are sufficient.
Once every 12-18 months, I run a Life Extension Male Elite comprehensive battery as listed below. A quick estimate is that it includes 75-80 specific tests in all.
In-between, I run an occasional one-off test or two following up in anything I didn’t like in the Elite to see if I have improved it. I’m going to add an occasional specialized test for arterial inflammation. You can find in the LE list of tests.
It is now possible to buy 1 session (10 days) of a continuous glucose Monitor in the USA OTC. I think having this record for normal eating is a useful baseline.
There is no need to run a CGM all the time, but knowing what tends to happen is quite useful.