The laboratory shall examine specimens only at the written request of a licensed physician, dentist, osteopath, chiropractor, nurse practitioner, physician's assistant, or other personauthorized by M.G.L. c. 112 to use the reportof laboratory examinations. Reports shall be delivered only to those authorized by law to receive such results unless such examination was made for the sole purpose of accuracy or sufficiency of the procedures or equipment of a clinical laboratory and by instruction of the director of such laboratory.

1. (A) If a patient is sent to the laboratory, a written request for the desired laboratory procedures shall be obtained by the laboratory from a person authorized by law to use findings of laboratory examinations.
2. (B) A specimen delivered to a laboratory shall be accompanied by a written request.
3. (C) A laboratory receiving reference specimens from another laboratory shall report back to the referring laboratory which submitted the specimens.