ISO/TS 21564:2019

TECHNICAL ISO/TS
SPECIFICATION 21564
First edition
2019-06
Health Informatics — Terminology
resource map quality measures
(MapQual)
Reference number
©
ISO 2019
© ISO 2019
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ii © ISO 2019 – All rights reserved

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Determinants of map quality . 4
4.1 General . 4
4.2 Terminological resource capacity . 4
4.2.1 General. 4
4.2.2 Determinant 1: Common categorial structure . 4
4.2.3 Determinant 2: Shared semantic domain . 5
4.2.4 Determinant 3: Language and translation . 6
4.3 Equivalence of individual maps . 7
4.3.1 General. 7
4.3.2 Determinant 4: Equivalence identification/Publication . 7
4.3.3 Determinant 5: Equivalence assessment . 7
4.3.4 Determinant 6: Map set outliers . 8
4.4 Building a map set . 9
4.4.1 Map development process . 9
4.4.2 Determinant 7: Clear documentation of the purpose of the map . 9
4.4.3 Determinant 8: Currency of the map . 9
4.4.4 Determinant 9: Business arrangements .10
4.4.5 Determinant 10: Methodology documentation .10
4.4.6 Validation .11
4.4.7 Determinant 13: Decision making — Consensus building process .12
4.4.8 Determinant 14: Tools used to develop or maintain the map .13
4.4.9 Determinant 15: Workforce .14
4.5 Map governance and maintenance .16
4.5.1 Determinant 16: Governance .16
4.5.2 Determinant 17: Map maintenance .16
5 Using map quality determinants .17
5.1 Required determinants .17
5.2 Level of quality .17
5.2.1 Step 1: Establish map quality requirement .17
5.2.2 Step 2: Assess map against requirement .17
5.2.3 Step 3: Calculate the score and actions required .17
6 Use cases .18
6.1 General .18
6.2 Determining requirements for a purpose . .18
6.2.1 General.18
6.3 Direct patient care use case .19
6.3.1 General.19
6.3.2 Direct patient care level of conformance required and rationale .19
6.4 Administrative, financial or service planning use case .20
6.4.1 General.20
6.5 Administrative, financial or service planning level of conformance required and
rationale .21
6.6 Other use cases .22
Annex A (informative) Example of map quality evaluation .23
Bibliography .24
Foreword
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This document was prepared by Technical Committee ISO/TC 215, Health Informatics.
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iv © ISO 2019 – All rights reserved

Introduction
0.1  General
Healthcare organizations and software vendors are increasingly using maps to convert data from one
code system to another code system. In the past, data in health information systems was largely used
for organizations’ administrative planning and decision making. Data captured in Electronic Health
Records (EHR) systems for patient care has a significant impact on patient safety. The use of this data
as the source of data for other purposes and for information exchange in clinical care through the use of
information technology is an emerging problem. Where that data is translated through maps from one
code system to another, the safety and quality issues associated with data use can be significant. The
increasing use of maps is costly.
The objective of this work is to support the definition of quality requirements for map sets to
a) establish standard quality conformance requirements for a map for a purpose,
b) assess the quality of a map for a purpose,
c) guide decision makers in map project requirements and processes, and
d) establish pathways to improvement.
Maps are widely used but the quality of these maps cannot be accurately and consistently assessed and
compared against their intended use. It is not currently possible for decision makers to assess whether
a map will be worth the cost of building and whether the scope and map processes will deliver a map
which is able to meet the intended business case.
[1]
This document is based upon ISO/TR 12300 . Some terminological resources are so different in their
content and purpose that they will never map closely to a resource designed and structured differently.
Therefore, the decision maker might need to consider whether to map at all or to move to a new
terminological resource.
Quality measures consider a wide range of requirements and processes relevant to the creation and
maintenance of data maps and their use (including manual and tool-based mapping), as well as for the
map sets delivered as a result of using that process.
0.2  Stakeholders and audience
This document is focused on the needs of
a) implementers and software vendors developing and implementing maps sets,
b) health information and data managers developing and using maps sets,
c) data users such as researchers, government, decision makers, and
d) developers of map sets including all in mapping teams including terminologists, coders, clinical
users, epidemiologists and statisticians, project managers.
Additionally, the target audience for this document might include
— procurement officers who establish requirements of map product capacity and quality, or
— decision makers to determine and assess resources needed in projects and services associated with
map produce, maintenance or use.
0.3  Challenges of mapping
Healthcare organizations and software vendors are i
...