Interoperability & Health Information Exchange Flashcards

Which IHE (Integrating the Healthcare Enterprise) profile defines a standardized method for sharing clinical documents in a federated HIE environment?

Answer: XDS (Cross-Enterprise Document Sharing)

XDS defines how clinical documents are registered, stored, and retrieved across healthcare enterprises in a federated model.

A patient visits an emergency department and the care team needs lab results from a visit three months ago at another hospital. Which HIE exchange paradigm would most efficiently retrieve this data?

Answer: Query/retrieve (pull) exchange

Query/retrieve exchange allows providers to proactively search for and pull patient data from other organizations on demand.

What does TEFCA stand for in the context of U.S. health information exchange policy?

Answer: Trusted Exchange Framework and Common Agreement

TEFCA establishes a common framework to enable nationwide health information exchange across different networks.

Which data element is most critical for accurate patient matching in an HIE when a national patient identifier does not exist?

Answer: Combination of demographics such as name, date of birth, and address

Probabilistic or deterministic matching relies on multiple demographic data points to reduce misidentification errors.

Which FHIR operation allows a client to retrieve a patient's complete health summary including medications, problems, and allergies in a single request?

Answer: $everything

The $everything operation on a Patient resource returns all resources related to that patient in a single bundle.

Under the 21st Century Cures Act, which practice is explicitly prohibited to promote interoperability?

Answer: Information blocking

The 21st Century Cures Act prohibits information blocking — practices that interfere with the access, exchange, or use of electronic health information.

Which organization certifies Health IT products under the ONC Health IT Certification Program to ensure they meet interoperability standards?

Answer: Accredited Testing Laboratories (ATLs) and ONC-Authorized Certification Bodies (ONC-ACBs)

ONC-authorized bodies test and certify EHR and health IT modules against federal standards for interoperability.