A hypothesis is a tentative statement about the relationship between two or more variables. Learn more about the elements of a good hypothesis.
1 If not, typical out-of-pocket expenses consist of a laboratory copay of $10 to $30 per test. 2  For patients not covered by health insurance, STD tests done at a doctor's office usually cost $50 to $200 each, depending on the test.
OHS-OHS, Inc. is a national company with drug testing clients in all 50 states. Our drug testing cost ranges between a low of $28 per drug test to a high of $42. The volume of testing done by the client annually is one variable which applies to drug testing cost.