Additional Testing, Inc.

We will re-open to the public on May 19, 2020 for drug testing. To enter our offices, you must wear a MASK. We will be wearing masks too. Assessments and classes via phone or zoom.

Pricing And Services



At Additional Testing, we offer a wide array of products and services. Below is a partial list of some of the more popular services we offer. All prices are subject to change. >>Read more


Roslyn Paterson, MA, LPCC, BSN, RN

Paternity Testing


Roslyn Paterson, MA, LPCC, BSN, RN, is the CEO of Additional Testing, Inc. In combining her medical knowledge with her counseling experience, she is able to assist clients in a comprehensive way. >>Read more

What We Offer

Alcohol Testing


Additional Testing, Inc. offers access to testing by meeting the needs of our clients with a convenient metro collection site in Roseville and a large variety of testing panels. >>Read more