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. Author manuscript; available in PMC: 2017 Jul 17.
Published in final edited form as: IEEE EMBS Int Conf Biomed Health Inform. 2017 Apr 13;2017:493–496. doi: 10.1109/BHI.2017.7897313

Fig. 4.

Fig. 4

From within i2b2, users select from either the ICD9 ontology (A above) or the ICD10 ontology (B above) to identify patients with a history of a particular concept, such as diabetes.