Final answer:
The factor that is not relevant to a decision on whether to provide non-emergency care to a competent 17-year-old is the patient's age.
Step-by-step explanation:
The factor that is not relevant to a decision on whether to provide non-emergency care to a competent 17-year-old is a) Patient's age. Age should not be a determining factor in providing care to a competent individual. The other factors mentioned, such as the patient's competency, legal requirements, and medical necessity, are all relevant considerations in making a decision.