Rec drugs only, and as stated you do have the right to ask what your being tested for. If you have used any kinds of rec drugs, find out what test they use a 6 panel or the 10 panel. As a 10 panel checks for precusors and derivatives along with masking agents. But most things you can have out of your system by the end of a weekend, with a few tricks. Steroid tests for companies or anyone really are pretty expensive, that's why they generally don't do them.