(I've been in porn 19 years)
We use a company such as Talent Testing Services.
First you need to get signed up with them on their website.
then you will have to go to one of their authorized collection locations for a blood draw.
The Gold standards test is $155 it checks for everything.
(if you fail to pass for one particular std such as chlamydia, you can be tested for just that std again after your medication routine at a less cost $25 - 60 for individual STD tests depending on which test you require)
If you are in Miami you can go to their actual offices (this also makes results a lot faster usually same day or next day)
Otherwise they have satellite collectors all over America.
Go get your blood draw and the collector will send it via courier to the testing services for testing.
(results for this method take up to 48 hours)
Once your results are in they will be put up on the database for you and others to verify your status.
Each signed up member with their service has a unique member code
there is also a qcode
Whenever talent is on a shoot we have to show our clearance to both the company and to all the other talent we will perform with.
(since everyone has a smart phone these days its easy just to login and show it to everyone else)
If you were seeking these kind of tests to use with a provider, everything would happen the same and you would need to show your test results to provider ..along with matching ID such a drivers license etc to verify you are the same person as on the database account you are showing.
NOTE: as always YYMV on which providers are willing to provide services to you EVEN if you have this verification.. I cannot speak for any other providers- porn stars or not- and their willingness to provide certain services. Please contact providers or your choice and discuss this with them in advance. Do NOT ever show up for an appointment and then spring the "I have TTS results can we do the *full* porn experience?" question....as this is a very quick and easy route to getting yourself blacklisted.
I hope this helps and if you have any other questions please feel free to ask. You can contact me either here or via PM, email etc