In this chapter, the following terms have the meanings indicated. Terms Defined. “Assistant” means an individual to whom only routine technical acts are delegated by a licensed physician and who is: Trained as defined in §B(17) of this regulation and not certified, registered, or licensed by the Board or any other State health occupation board; or Certified, registered, or licensed by the Board or any other State health occupation board and is not acting under the authority of that certification, registration, or license granted by a State health occupation board. “Board” means the State Board of Physicians. “CLIA” means the federal Clinical Laboratory Improvement Amendments of 1988 (42 U.S.C. §263a) and the regulations promulgated under them, and 42 CFR Part 493, Subparts B and M. “Delegating physician” means a physician possessing an active license to practice medicine in this State who directs an assistant or RCIS to perform technical acts. “Direct supervision” means oversight exercised by a delegating physician who is: Personally treating the patient; and In the presence of the patient and the: Assistant; or RCIS. “Fluoroscopy” means a technique for generating x-ray images and presenting them simultaneously and continuously as visible images. “Hospital” has the meaning stated in Health-General Article, §19-301, Annotated Code of Maryland. “Licensed physician” means, unless the context requires otherwise, a physician, including a doctor of osteopathy, who is licensed by the Board to practice medicine. “MDE” means the Maryland Department of the Environment. “Microdermabrasion” means the use of a minimally invasive technique to gently exfoliate the dead, outermost layer of skin and is a method for improving superficial, environmental, aging, and hereditary skin changes by superficial, mechanically powered abrasion, often combined with application of topical crystals such as vitamin C. “On-site supervision” means oversight exercised by a delegating physician who is present at the site and able to be immediately available in person during the course of the performance of a delegated act. “Perform fluoroscopy” means the energizing of a fluoroscopic x-ray system by an individual authorized in accordance with MDE regulations. “Readily retrievable” means maintained in a method by which a hospital can retrieve and produce the record for the Board upon request. “Registered cardiovascular invasive specialist (RCIS)” means an individual who is credentialed by Cardiovascular Credentialing International or another credentialing body approved by the Board to assist in cardiac catheterization procedures under the direct, in-person supervision of a licensed physician. “Site” means any facility or location including those defined in Health-General Article, §§19-114 and 19-3B-01(b), Annotated Code of Maryland, used for the delivery of health services not covered in this chapter. “Technical act” means a routine medical or surgical act which does not require medical judgment and is performed with the supervision as specified within this chapter. “Trained” means possessing the knowledge, skills, and abilities, as determined by the licensed physician, to perform delegated acts.