Data aggregation is important for many purposes, but differences in granularity create challenges even when using standard terminologies. LOINC Groups provide a flexible, computable mechanism for rolling up LOINC terms to support aggregation. The Groups spans a variety of domains, including laboratory, radiology, and clinical notes. By establishing an online community and API-based access, we hope to further support their use for many purposes.

Learning Objective 1: Understand how to use LOINC Groups for aggregating patient data with different levels of granularity.


Swapna Abhyankar (Presenter)
Regenstrief Institute

Mary Zabriskie, Regenstrief Institute
John Hook, Regenstrief Institute
Timothy Briscoe, Regenstrief Institute
John Finnell, Regenstrief Institute
Daniel Vreeman, Regenstrief Institute

Presentation Materials: