The draft IHACPA Work Program 2026–27 is now available for public comment

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Emergency care

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Emergency Care COVID-19 Response

The Emergency Department ICD-10-AM Principal Diagnosis Short List (ED Short List) was updated in 2022 with additional codes to classify COVID-19 testing and adverse reactions to the COVID-19 vaccine. 

Publications 26 Sep 2023

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AECC Definitions Manual

This manual details the logic for assigning AECC end classes to emergency care episodes. The logic is represented in software—the AECC grouper—which should be the primary way that emergency care episodes are grouped to the AECC. This manual is a reference for the logic...

Publications 6 Aug 2024

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AECC Final Report

The AECC was developed using a combination of statistical analysis and clinical input: the splits in the classification demonstrate statistical as well as clinical validity. An independent reviewer also reviewed the model outputs, thus providing further assurance of the...

Publications 26 Sep 2023

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