A method is provided for receiving an order for a laboratory test of a biological specimen for a patient utilizing a computer network including a client computer and a central computer. The method includes facilitating a connection between the client computer and the central computer. A laboratory test request is received at the central computer from the client computer. Patient, billing, and diagnosis information corresponding to the requested laboratory test is also received at the central computer from the client computer. Information is transmitted from the central computer to the client computer for generating a test requisition and a label for use with the biological specimen.