(a) General. If we cannot get the information we need from your medical sources, we may decide to purchase a consultative examination. See § 416.912 for the procedures we will follow to obtain evidence from your medical sources and § 416.920b for how we consider evidence. Before purchasing a consultative examination, we will consider not only existing medical reports, but also the disability interview form containing your allegations as well as other pertinent evidence in your file.
(b) Situations that may require a consultative examination. We may purchase a consultative examination to try to resolve an inconsistency in the evidence or when the evidence as a whole is insufficient to support a determination or decision on your claim. Some examples of when we might purchase a consultative examination to secure needed medical evidence, such as clinical findings, laboratory tests, a diagnosis, or prognosis, include but are not limited to:
(4) There is an indication of a change in your condition that is likely to affect your ability to work, or, if you are a child, your functioning, but the current severity of your impairment is not established.
[56 FR 36964, Aug. 1, 1991, as amended at 62 FR 6421, Feb. 11, 1997; 77 FR 10656, Feb. 23, 2012]