Final answer:
Yes, a patient's diagnosis should be included on a requisition form as it aids lab technicians and is important for insurance billing.
Step-by-step explanation:
The question asks whether a patient's diagnosis should be included on a requisition form. The answer is true; a patient's diagnosis or the suspected diagnosis, often conveyed as ICD codes, is typically required on a requisition form. This is because the diagnosis can help lab technicians understand the context for the tests and can be important for insurance billing purposes.
The presence of the diagnosis can ensure that the on the form is complete and provides necessary information for processing the test accurately and efficiently.