(全6章)HL7 v3基础 Foundation完整版

王海彤

haitong.wang@d3b07d2f76c66137ee061966

HL7 简介

及其

基于HL7的业务描述

什么是“HL7” ? A domain-specific, common protocol for the exchange of health care information.
Function
Communication
7 6 5 4 3 2 1
Application Presentation Session Transport Network Data Link Physical
ISO-OSI 通讯结构模型 January 24, 2000

HL7 v3 RIM 发展19891996

Work on HL7 RIM Commenced From 1995 to 1999 a lot of work was done in the areas of message development framework (MDF), RIM development, adoption of structural vocabulary paradigm, first v3 tools, growing International Affiliate contributions to v3HL7 RIM voting First v3 ballots

in core areas 20002003HL7 RIM is expanding

-RIM, tools, vocabulary, Web transport DSTUs -E-claims, Scheduling, CMETS, rel 1, DSTUs: Pat Admin, Med Rx Mgmnt HL7 RIM is 10 years in the

making!1987HL7 formed

Total Initial

Members: 14Released first messaging

standard Dec-2003RIM accepted as an ANSI standard May-2009Latest RIM Ballot 2001HL7 RIM v1.0 released

HL7 v2 Vs. HL7 v3Messaging HL7 v2

Messaging

HL7 v3Reference Information Model

Vocabulary

Shared Information Model. The main significant change in v3Data Types

Common Terminology Services

Entity Identification Service

And other ….从MDF 到HDF

语法(Syntax) vs语义(Semantics)

?Syntax àstructure

?HL7 v2.x message

?X12 message

?XML document

?Semantics àmeaning

?ICD / CPT / SNOMED-CT code sets

?HL7 v3 message

语义交互的支柱

Necessary but not Sufficient

?Common model across all domains-of-interest: 通用信息模型?Concepts and relationships

?Information model vs Data model

?Robust, formal Data Type Specification:数据类型?Methodology for binding value sets to concept-based terminologies: 词汇库（Vocabulary）

?Formal process for defining interchange structures：消息结构

HL7 V3 方法论Storyboard

Storyboard

Interaction Application Role

Trigger Event RIM D-MIM R-MIM

HMD

Message Example Example

Sender Receiver

Triggers Contents Instantiate Restrict

Restrict Restrict

HL7 模型

交互模型

HL7 V3 方法论

?为一个特定的消息捕获所有相关信息：?应用程序角色（Application Roles）：?发送和接收系统的责任：

?触发事件（Triggers Events ）：

?发送消息的原因

?业务场景(Storyboard):

?定义对于系统用户发生了什么事情

医疗行为/

事务Check Equipment

Availability Perform

Procedure I need a Chest X-ray for Mr. Smith Order Chest

X-ray

Report

Result Place

Image in

Radiologist Queue Interpret

Study Check Technician Availability Schedule Chest

X-ray

HL7 Version 3

参照信息模型(Reference Information Model)

?Referral

?Transportation

?Supply

?Procedure

?Consent

?Observation

?Medication

?Administrative act

?Financial act ?Organization ?Place ?Person ?Living Subject ?Material ?Patient ?Member ?Healthcare facility ?Practitioner ?Practitioner assignment ?Specimen ?Location Entity 0..*

1Role 10..*1

0..*

Act

Relationship

11..*0..*1Participation Act

?Author ?Reviewer ?Verifier ?Subject ?Target ?Tracker

医疗活动的基本信息结构Entity 1..*0, *Healthcare Action

Is involved in

involves ?一个实体(Person or Organization) 参与0到N 个医疗活动

?一个医疗活动涉及1到多个实体(Persons or Organizations)问题：如何判断这个人是一个医生还是一个病人？

医疗活动的基本信息结构Entity 1..*0, *Healthcare Action

plays involves ?一个实体(人或者组织) 在医疗活动中担当的角色（0..N ）

问题：如何表述一个医生在一个具体的医疗行

为中所担任的具体的职责？比如：在一个手术中，他是主刀医生还是助手？Role ?一个实体(人或者组织)担当特定的

角色参与到医疗活动中（0..N ）1

0..*

Entity 0..*1Role 1..*1

0..*

1Participation Healthcare Action

医疗活动的基本信息结构

?一个实体(人或者组织) 在医疗活动中担当的角色（0..N ）?一个实体(人或者组织)担当特定的角色承担特定的职责（0..N ）?一个实体(人或者组织)担

当特定的角色承担特定的

职责参与到具体的医疗活

动中（0..N ）

医疗活动的基本信息结构1

Healthcare Action ?plays is source of Act Relationship ActRelationship 用来表示医疗活动/行为之间的关系（因果/组成/参照标准等等）

0..*1

is target for

1

医疗活动的基本信息结构OBS:

Temp 39.5C

OBS:Abnormal

CXR

OBS:Elevated

WBC AR:

“is supported

by ”AR:“is supported by ”AR:

“is supported

by ”has target has target has target OBS:

Dx Pneumonia is source for

HL7 Version 3

参照信息模型(Reference Information Model)

?Referral

?Transportation

?Supply

?Procedure

?Consent

?Observation

?Medication

?Administrative act

?Financial act ?Organization ?Place ?Person ?Living Subject ?Material ?Patient ?Member ?Healthcare facility ?Practitioner ?Practitioner assignment ?Specimen ?Location Entity 0..*

1Role 10..*1

0..*

Act

Relationship

11..*0..*1Participation Act

?Author ?Reviewer ?Verifier ?Subject ?Target ?Tracker

从RIM àDIM àRMIM

参照信息模型

通用的

域信息模型

特定领域的消息信息模型具体业务行为的

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