In general— Not later than 2 years after the date of the enactment of this Act, the Secretary shall develop general equivalency maps (referred to in this subsection as crosswalks) to link the relevant
ICD–10 codes to relevant CPT codes, and the relevant CPT codes to relevant
ICD–10 codes, in order to permit comparisons of inpatient hospital services, for which payment is made under section 1886 of the Social Security Act (
42 U.S.C. 1395ww), and hospital outpatient department services, for which payment is made under section 1833(t) of such Act (42 U.S.C. 1395l(t)). In this subsection the terms
“ICD–10 codes” and “CPT codes” include procedure as well as diagnostic codes.