<codeBook xmlns="ddi:codebook:2_5" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="ddi:codebook:2_5 https://ddialliance.org/Specification/DDI-Codebook/2.5/XMLSchema/codebook.xsd" version="2.5"><docDscr><citation><titlStmt><titl>Healthcare Cost and Utilization Project (HCUP)</titl><IDNo agency="DOI">doi:10.7910/DVN/QVOHAD</IDNo></titlStmt><distStmt><distrbtr source="archive">Harvard Dataverse</distrbtr><distDate>2026-01-09</distDate></distStmt><verStmt source="archive"><version date="2026-01-09" type="RELEASED">1</version></verStmt><biblCit>Agency for Healthcare Research and Quality (AHRQ); Federal Agency, 2026, "Healthcare Cost and Utilization Project (HCUP)", https://doi.org/10.7910/DVN/QVOHAD, Harvard Dataverse, V1</biblCit></citation></docDscr><stdyDscr><citation><titlStmt><titl>Healthcare Cost and Utilization Project (HCUP)</titl><IDNo agency="DOI">doi:10.7910/DVN/QVOHAD</IDNo></titlStmt><rspStmt><AuthEnty>Agency for Healthcare Research and Quality (AHRQ)</AuthEnty><AuthEnty>Federal Agency</AuthEnty></rspStmt><prodStmt><producer>Healthcare Cost and Utilization Project (HCUP)</producer></prodStmt><distStmt><distrbtr source="archive">Harvard Dataverse</distrbtr><contact email="noreply@chordshealth.org">Agency for Healthcare Research and Quality (AHRQ)</contact><contact email="noreply@chordshealth.org">Federal Agency</contact><depositr>Mike Conway</depositr></distStmt><holdings URI="https://doi.org/10.7910/DVN/QVOHAD"/></citation><stdyInfo><subject><keyword xml:lang="en">Earth and Environmental Sciences</keyword><keyword xml:lang="en">Medicine, Health and Life Sciences</keyword><keyword>Electronic Health Records</keyword><keyword>Patient Records</keyword><keyword>Emergency Department</keyword><keyword>Inpatient</keyword><keyword>Ambulatory</keyword><topcClas>Electronic Health Records</topcClas><topcClas>Demographics</topcClas><topcClas>Health Care Provider Characteristics</topcClas><topcClas>Health Care Facilities Characteristics</topcClas></subject><abstract>The Healthcare Cost and Utilization Project (HCUP) is a collection of healthcare databases, and related software tools and products, developed through a Federal-State-Industry partnership. The databases are a national information resource of encounter-level healthcare data produced from the efforts of State data organizations, hospital associations, private data organizations, and the Federal government. They enable research on a broad range of health policy issues, including cost and quality of health services, medical practice patterns, access to healthcare programs, and outcomes of treatments at the national, State, and local market levels.</abstract><sumDscr><timePrd cycle="P1" event="start" date="1988-01-01">1988-01-01</timePrd><timePrd cycle="P1" event="end" date="2025-12-31">2025-12-31</timePrd><dataKind>Data Resource</dataKind><dataKind>CSV</dataKind></sumDscr><notes>&lt;b>Intended Use&lt;/b>&lt;ul>&lt;li>HCUP is intended to allow researchers, insurers, policymakers, and others to study health care delivery and patient outcomes across time and at national, state, regional, and community levels.&lt;/li>&lt;/ul>&lt;br/></notes></stdyInfo><method><dataColl><sources/></dataColl><anlyInfo/></method><dataAccs><setAvail/><useStmt/><notes type="DVN:TOU" level="dv">&lt;a href="http://creativecommons.org/publicdomain/zero/1.0">CC0 1.0&lt;/a></notes></dataAccs><othrStdyMat><relPubl><citation><titlStmt><titl>None</titl></titlStmt><biblCit>None</biblCit></citation><ExtLink URI="https://hcup-us.ahrq.gov/reports/pubsearch/pubsearch.jsp"/></relPubl></othrStdyMat></stdyDscr><otherMat ID="f13324077" URI="https://dataverse.harvard.edu/api/access/datafile/13324077" level="datafile"><labl>metadata.json</labl><txt></txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/json</notes></otherMat><otherMat ID="f13324078" URI="https://dataverse.harvard.edu/api/access/datafile/13324078" level="datafile"><labl>README.md</labl><txt></txt><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">text/markdown</notes></otherMat></codeBook>