Public Health Information Network for the Immunization Registry

1
Public Health Information Network for the
Immunization Registry

• George de la Torre

2
The Question

• So, why are you sitting there?
• PHIN, PHIN, PHIN, what is this thing!
• Im a geek, PHIN is so cool!
• I need some more CDC buzz words for our next SOW.
• My boss made me!

3
The Deal

• PHIN is the deal because
• It solves all public health concerns from the get
  go!
• Its a blueprint for
• Legacy integration
• Consolidation
• New development

4
The Situation

• Registry systems dont evolve
• Proprietary technology
• No system documentation
• Not object oriented designed
• Many registry systems were not designed with the
  future in mind

5
The Mission Statement
A successful software project is one whose
deliverables satisfy and possibly exceed the end
users expectations, was developed in a timely
and economical fashion, and is resilient to
change and adaptation. -Grady
Booch 1996
6
The Opportunities

• PHIN
• Provides crisp abstraction for a registry
  foundation
• Common vocabulary between end users and
  developers
• Clear separations of concerns, creating firewalls
  that isolate the common model
• Extensible because of object oriented design

7
PHIN Overview

• PHIN Foundation
• PHIN in Action

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PHIN Foundation

• HL7 version 3 based
• Object model (RIM)
• Shared clinical domains
• Life-cycle events
• Explicit messaging conformance

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PHIN Foundation

• Major External Components
• Operation data store
• Message-In data store
• Message-Out data store
• System Reference Table
• PHIN Messaging Service

10
PHIN Foundation
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PHIN Foundation

• NEDSS base system (NBS)?
• NBS is a J2EE implementation
• PHIN functions and specs
• Program Area Modules (PAMS)
• A PHIN Component
• PHIN based system

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PHIN in Action
Systems Reference Tables
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PHIN in Action
Object Model
Associates Entities with Acts
and Entities with Entities
Base Class
Instance
for all Acts
0..n
0..n
Act
Participation
1
1
1
1
0..n
0..n
0..n
0..n
Act_relationship
Shot Method
Instance
1
1
Tracks Role
Role
Instance
Administered Shot
Instance
Patient_encounter
Observation
Procedure
Base Class
Entity
for all Entities
Patient, Provider, Nurse and other
IF Shot Reaction
Persons participating in this event
Medical Home
Instance
Instance
Instance
Vaccine Information
Organization
Person
Material
Instance
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PHIN in Action
Immunization Forecast
Act
Participation
1
1
1
1
0..n
0..n
0..n
0..n
Act_relationship
1
1
Role
Patient_encounter
Observation
Procedure
Entity
Organization
Person
Material
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PHIN in Action
PHIN in Action
School and Daycare Surveillance Survey
0..n
0..n
Act
Participation
1
1
1
1
0..n
0..n
0..n
0..n
Act_relationship
1
1
Role
Patient_encounter
Observation
Procedure
Entity
Organization
Person
Material
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PHIN in Action

• Strategies for your PHIN
• Mini steps
• Partial adoption
• Full blown PHIN

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Final Thoughts

• Standardizing on PHIN
• CDC technical partner
• Enable true collaboration
• Roadmap for today and tomorrow
• You Got PHIN?

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Contact
George de la Torre Consultant/Systems
Architect PHIN Portal Project 305-519-8375 delator
reg_at_att.net