45 CFR §162.915
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
A covered entity must not enter into a trading partner agreement that would do any of the following:
- (a)Change the definition, data condition, or use of a data element or segment in a standard or operating rule, except where necessary to implement State or Federal law, or to protect against fraud and abuse.
- (b)Add any data elements or segments to the maximum defined data set.
- (c)Use any code or data elements that are either marked “not used” in the standard's implementation specification or are not in the standard's implementation specification(s).
- (d)Change the meaning or intent of the standard's implementation specification(s).