According to the medical laboratory technologist《Code of Practice》Part II Section F(c):
All medical laboratory technologist should not perform any tests for the purpose of medical diagnosis and treatment in the absence of a referral from registered medical, dental and/or veterinary practitioners, or a person registered in respect of a medical clinic exempted under Section 8(1) of the Medical Clinics Ordinance, Cap. 343.
First Choice (Hong Kong) Medical Laboratory only performs tests on sample referred by medical doctors. If you require any information, please do not hesitate to contact us at 2865-9399.