HIT Applied through HIEx

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HIT Applied through HIEx
Wright State University School of
Medicine Dayton, Ohio

• Kate Cauley Ph.D.
• Mary Crimmins, M.A.

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HIEx

• Registry of health uninsured
• Web portal model
• Protected by a Virtual Private Network (VPN)
• Capacity of 1500 concurrent connections

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HIEx Application

• Scalable multi-tier application architecture
• Microsoft SQL database
• Supports source and time stamps and log tables to
  assure audit functions.
• Fully customizable role based access for each
  data element.

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Figure 1 Simplified Network Architecture
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HIEx System security

• Secure server room
• Video monitored 24/7
• Swipe card access
• Tape back up stored offsite in a vault

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Standards based

• To address the HL-7 standards HIEx is based on
  XML object serialization and support of XML
  schema.
• HIEx will integrate Unified Medical Language
  System (UMLS) Metathesaurus including SNOMED
  Clinical Terms

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Designed with expansion in mind

• HIEx has an extensible framework that permits
  individual use of portal modules for display and
  management of data.
• Interoperability is assured with XML
• Shared source design built with state of the art
  products
• Uses web services to assure speed in data transfer

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Sustainability Plan

• HIEx is designed to be a self-sustaining
  community rated service. The business model is
  based on a subscription model for user interface
  and a utility model for customization services.
• Plans for 2005 include addition of an electronic
  health record

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Current components of HIEx

• Demographic and individual health status
  information
• Electronic Medicaid application
• Referrals to all agencies or services recorded
• Reporting on individual productivity
• Full audit trail for all transactions

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Demographic data in HIEx

• Names (all members)
• Address
• Telephone numbers
• Gender
• Relation to the head of household
• Race
• Date of Birth

• Social security number
• Income
• Sources
• Monthly amount
• US Citizenship
• Senior citizen status
• Veteran status

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Individual health data in HIEx

• Insurance status
• No insurance
• Public programs
• Private insurance
• Cost of insurance
• Pregnancy status
• Disability status

• Specific disease information
• Asthma
• Hypertension
• Diabetes
• Stroke
• Cancer
• Epilepsy

All data are self reported
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HIEx Information Flow
Feedback to Agencies
START Client/Patient
MEDICAID Applications (7 Hospitals)
PQ Survey (30 Agencies)
HIEx Reports
HIEx System (Clients 8,907)
CHA Supervisor Review
CHA Feedback
CHA
Administrative Queries
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Under development

• PRC Form
• Electronic Health Record
• Interface with other systems

Used to bill for TANF and Human Service Levy
funds
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Glossary

• CHA Community Health Advocate
• CHC Center for Healthy Communities
• HIEx HealthLink Information Exchange
• PRC Prevention Retention and Contingency
• XML Extensible Markup Language