Klinik Kesihatan can do STD test, RM1. Only take one-two blood drip like those glucose test

Depends on the number of people queueing / doctor or nurse availability. Maybe will have to make appointment. But wont be long because the test is only a simple test.

Yes, very. Gov subsidize a lot for medical fees. I wonder how do they even sustain from that, which is why usually many people will go there if want to jimat.
Source : https://www.moh.gov.my/index.php/pages/view/160
Source 2 : https://www.facebook.com/kementeriankesihat...53489562211237/ (old reference but still applicable)