Tenn. Code Ann. § 68-29-133: Agreements to perform laboratory tests for other states.

The commissioner is authorized to enter into agreements pursuant to the Interlocal Cooperation Act, compiled in title 12, chapter 9, with the commissioner's official counterpart in other states to perform on behalf of another state, examinations or tests upon specimens collected in that state, when it is determined by the commissioner that performing the examinations or tests would result in a cost savings in the operation of the division of laboratories or otherwise benefit the citizens of Tennessee.