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HL7 RIM June 2010
Entity
class_cd : CScd: CEdeterminer_cd : CSstatus_cd : CSid : II
Role
class_cd : CScd: CEeffective_time : IVL<TS>status_cd : CSid : II
Participation
type_cd : CStime : IVL<TS>status_cd : CS
Act
class_cd : CScd: CDmood_cd : CSstatus_cd : CSeffective_time : GTSid : II
0..1
0..*1
0..*
1
0..*
Role Link
type_cd : CSeffective_time : IVL<TS>
Act Relationship
type_cd : CS
0..1
0..*
plays
scopes
1 1
0..* 0..*
1 1
0..* 0..*
OrganizationclassCode* <=ORGdeterminerCode* <= INSTANCEId*: II[1..1]
ObservationEventclassCode* <=OBSmoodCode* <= EVNId*: II[1..1]code*: CV CNE[1..1] < ObservationTypeeffective Time*: TS[1..1]
PersonclassCode* <=PSNdeterminerCode* <= INSTANCEname: PN[0..1]
PatientclassCode* <=PATId*: II[1..1]
AgentclassCode* <=AGNTId*: II[1..1]
subjecttypeCode* <=SBJ
authortypeCode* <=AUTTime*: TS [1..1]
componenttypeCode* <=COMP
componenttypeCode* <=COMP
ObservationEventclassCode* <=OBSmoodCode* <= EVNId*: SET II[1..1]code*: CV CNE[1..1] < CPT4value*: ST[1..1]
ObservationEventclassCode* <=OBSmoodCode* <= EVNId*: SET II[1..1]code*: CV CNE[1..1] < CPT4value*: ST[1..1]
1..1
provid
erOrg
aniza
tion
0..1 patientPerson
HL7 RIM: Sample Observation
ObservationclassCode* <=OBSmoodCode* <= EVNId*: II[1..1]code*: CV CNE[1..1] < ObservationTypeeffective Time*: TS[1..1]Value*:
PersonclassCode* <=PSNdeterminerCode* <= INSTANCE
PatientclassCode* <=PATId*: II[1..1]
subjecttypeCode* <=SBJ
0..1 patientPerson
HL7 RIM: Simple Observation
Mapping 11179 CDE to RIM: Ex 1
Data Element
Data Element Concept
Value Domain
Object Class
Property
Conceptual domainRepresentation classData type (added)Unit of measure (added)Value meanings (added)
12345
ASSESS_RESULTSN/ANumbermmHgC25509:C69319:C25209
6 First Dinamap Oscillometric Measurement
Assessment: C25367
7
8
Diastolic Blood Pressure: C25299
9
Diastolic Blood Pressure10
Diastolic Blood Pressure First Dinamap Oscillometric Measurement
Measurement: Oscillometric Blood Pressure Monitor : First
Mapping to RIM11179 Construct 11179 Value RIM
ConstructRIMValue
Object Class Diastolic Blood Pressure
OBS:classCodeOBS:code
OBSObservationType(CD)
Property Assessment ?? ??
Conceptual Domain ASSESS_RESULTS
Representation Class N/A
Data Type Number
Unit of Measure mmHg
Value Meaning C25509:C69319:C25209 (Measurement: Oscillometric Blood Pressure Monitor : First)
Problems with Ex 1• The property Assessment does not really have any
useful semantics – dangling concept• No context information – cannot infer entity, role and
participation• “Measurement: Oscillometric Blood Pressure Monitor :
First” – has to be parsed• Not easy to convert into a terminology expression• Hard to derive from the concept derivation rule that
oscillometric blood pressure monitor is the methodCode
• Leveling and context of information changes from CDE to CDE
Data Element
Data Element Concept
Value Domain
Object Class
Property
Conceptual domainRepresentation classData type (added)Unit of measure (added)Value meanings (added)
12345
AE_RESULTSN/ANumbermmHgN/A
6
Assessment: C25367
7
8
Person Blood Pressure: C25190:C54706
9
Person Blood Pressure10
??Person Blood Pressure
Mapping 11179 CDE to RIM: Ex 2
11179 Construct 11179 Value RIMConstruct
RIMValue
Object Class Person Blood Pressure
ENT:LIV:POSNOBS:classCodeOBS:code
OBSObservationType(CD)
Property Assessment ?? ??
Conceptual Domain ASSESS_RESULTS
Representation Class N/A
Data Type Number
Unit of Measure mmHg
Value Meaning N/A
Mapping to RIM
Problems with Ex 2
• The property Assessment is hard to map• Assessment is used to reference blood
pressure but the concept itself links to “assessment” semantics of assessment seam irrelevant
• Leveling and context of information changes from CDE to CDE
Data Element
Data Element Concept
Value Domain
Object Class
Property
Conceptual domainRepresentation classData type (added)Unit of measure (added)Value meanings (added)
12345
ASSESS_RESULTSN/ATimeN/AC25529:C48154:C25207
6 Hour Minute Time
Begin Measurement : C25431:C25209
7
8
Blood Pressure : C54706
9
Blood Pressure Start Measurement10
Blood Pressure Start Measurement Hour Minute Time
ENT:LIV:POSN.ROL:PAT.DIR:SBJ.ACT:OBS: CODE
ENT:LIV:POSN.ROL:PAT.DIR:SBJ.ACT:OBS: EFFECTIVETIME
ObservationEventclassCode* <=OBSmoodCode* <= EVNId*: II[1..1]code*: CV CNE[1..1] < ObservationTypeeffective Time*: TS[1..1]methodCode*:
Mapping 11179 CDE to RIM: Ex 3
Problems with Ex 3
• The property Assessment is hard to map• Assessment is used to reference blood
pressure but the concept itself links to “assessment” semantics of assessment seam irrelevant
• Mapping Time interval is challenging• Leveling and context of information changes
from CDE to CDE
Data Element
Data Element Concept
Value Domain
Object Class
Property
Conceptual domainRepresentation classData type (added)Unit of measure (added)Value meanings (added)
12345
ASSESS_RESULTSC38147 CHARACTERN/ACL307587, CL30586
6 Assessments Ind-2
Blood Pressure Assessment : C54706:C25217
7
8
Dental Professional Practice: C41136:C52673
9
10
Dental Professional Practice Blood Pressure Assessment Ind-2
ENT:LIV:POSN.ROL:PAT.DIR
ENT:LIV:POSN.ROL:PAT.DIR:SBJ.ACT:OBS: CODE
ObservationEventclassCode* <=OBSmoodCode* <= EVNId*: II[1..1]code*: CV CNE[1..1] < ObservationTypeeffective Time*: TS[1..1]methodCode*:
Dental Professional Practice Blood Pressure Assessment
Mapping 11179 CDE to RIM: Ex 4
Mapping Challenges and Risks• Every mapping is a custom problem• Inferencing using concepts doesn’t work as same concepts
are used differently• Context has to be provided manually in many cases• Post migration verification will take a lot of time and effort
- as losing information will not be acceptable• All the CDE administrative constructs for lifecycle
management have to be migrated – no placeholder in RIM• Creating forward and reverse transforms is not feasible – as
the view will change from element to element• Identifying simple, medium and hard CDEs will require
manual work as tooling cannot infer from the information
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