Md. Code, Health - General § 17–213

Unless a medical laboratory has a valid license, no other person on the laboratory’s behalf may:

(1) Offer or perform medical laboratory tests or examinations in this State;

(2) Offer or perform medical laboratory tests or examinations on specimens acquired from health care providers in this State at the medical laboratory located outside this State; or

(3) Represent or service in this State the medical laboratory regardless of the laboratory’s location.