Md. Code, Health - General § 17–212

Unless a person holds a license issued by the Secretary the person may not:

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

(2) Represent or service in this State a medical laboratory regardless of the laboratory’s location; or

(3) Offer or perform medical laboratory tests or examinations on specimens acquired from health care providers in this State at a medical laboratory located outside this State.