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About 70 percent of acute care hospitals participated in at least one health information exchange (HIE) network with nationwide scope in 2017, according to a new ONC data brief evaluating methods used to enable interoperability among non-federal acute care hospitals.

ONC used data from a nationally representative 2017 American Hospital Association (AHA) IT Supplement survey to identify methods hospitals use to exchange summary of care records. The federal agency also offered insight into hospitals’ rates of participation in HIE networks and variations in the ways hospitals share data.