(a) What is medical equivalence? Your impairment(s) is medically equivalent to a listed impairment in appendix 1 of subpart P of part 404 of this chapter if it is at least equal in severity and duration to the criteria of any listed impairment.
(A) You do not exhibit one or more of the findings specified in the particular listing, or
(B) You exhibit all of the findings, but one or more of the findings is not as severe as specified in the particular listing,
(ii) We will find that your impairment is medically equivalent to that listing if you have other findings related to your impairment that are at least of equal medical significance to the required criteria.
(2) If you have an impairment(s) that is not described in the Listing of Impairments in appendix 1 of subpart P of part 404 of this chapter, we will compare your findings with those for closely analogous listed impairments. If the findings related to your impairment(s) are at least of equal medical significance to those of a listed impairment, we will find that your impairment(s) is medically equivalent to the analogous listing.
(3) If you have a combination of impairments, no one of which meets a listing described in the Listing of Impairments in appendix 1 of subpart P of part 404 of this chapter (see § 416.925(c)(3)), we will compare your findings with those for closely analogous listed impairments. If the findings related to your impairments are at least of equal medical significance to those of a listed impairment, we will find that your combination of impairments is medically equivalent to that listing.
(c) What evidence do we consider when we determine if your impairment(s) medically equals a listing? When we determine if your impairment medically equals a listing, we consider all evidence in your case record about your impairment(s) and its effects on you that is relevant to this finding. We do not consider your vocational factors of age, education, and work experience (see, for example, § 416.960(c)(1)). We also consider the opinion given by one or more medical or psychological consultants designated by the Commissioner. (See § 416.1016.)
(d) Who is a designated medical or psychological consultant? A medical or psychological consultant designated by the Commissioner includes any medical or psychological consultant employed or engaged to make medical judgments by the Social Security Administration, the Railroad Retirement Board, or a State agency authorized to make disability determinations. A medical consultant must be an acceptable medical source identified in § 416.913(a)(1) or (a)(3) through (a)(5). A psychological consultant used in cases where there is evidence of a mental impairment must be a qualified psychologist. (See § 416.1016 for limitations on what medical consultants who are not physicians can evaluate and the qualifications we consider necessary for a psychologist to be a consultant.)
(e) Who is responsible for determining medical equivalence? In cases where the State agency or other designee of the Commissioner makes the initial or reconsideration disability determination, a State agency medical or psychological consultant or other designee of the Commissioner (see § 416.1016 of this part) has the overall responsibility for determining medical equivalence. For cases in the disability hearing process or otherwise decided by a disability hearing officer, the responsibility for determining medical equivalence rests with either the disability hearing officer or, if the disability hearing officer's reconsideration determination is changed under § 416.1418 of this part, with the Associate Commissioner for Disability Programs or his or her delegate. For cases at the administrative law judge or Appeals Council level, the responsibility for deciding medical equivalence rests with the administrative law judge or Appeals Council.
[45 FR 55621, Aug. 20, 1980, as amended at 52 FR 33928, Sept. 9, 1987; 56 FR 5561, Feb. 11, 1991; 62 FR 6424, Feb. 11, 1997; 62 FR 13538, Mar. 21, 1997; 65 FR 34959, June 1, 2000; 71 FR 10431, Mar. 1, 2006; 71 FR 16460, Mar. 31, 2006; 76 FR 24811, May 3, 2011]