20 CFR 404.1519i: i Other sources for consultative examinations.

We will use a different medical source than your medical source for a purchased examination or test in situations including, but not limited to, the following:

(a) Your medical source prefers not to perform such an examination or does not have the equipment to provide the specific data needed;

(b) There are conflicts or inconsistencies in your file that cannot be resolved by going back to your medical source;

(c) You prefer a source other than your medical source and have a good reason for your preference;

(d) We know from prior experience that your medical source may not be a productive source, such as when he or she has consistently failed to provide complete or timely reports; or

(e) Your medical source is not a qualified medical source as defined in § 404.1519g.