laboratory terminology for ehr - ehealth.gov.hk. laboratory... · recap - terminology to be used...
TRANSCRIPT
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Laboratory Terminology for eHR
John MokHealth Informatician
eHR Information Standards Office
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Outline
• Some background of laboratory terminology standards
• Standardization of laboratory data in HA
• Planning of laboratory terminology for eHR
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Laboratory Terminology Standards
• The Laboratory – Pioneering informatics Standards
1960s 1970s 1980s 1990s 2000s - Present
SNOP
SNOMED 1&2
SNOMED 3.x
SNOMED CT
LOINC
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Evolving Laboratory Business
PastFu
ture
Lab test setup Specimen flow Lab report
Lab A
Lab A Hosp A
Knowledge base
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Where are we today?
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eHR Information Standard Domain Group on Laboratory Records - Membership
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Laboratory Informatics Standards Working Group in HA
Pathology IT Steering Group
ChemicalPathology
Immunology HaematologyAnatomicalPathology
Microbiology
HI support
AHN
CMC
GH
KWH
NDH
PMH
PWH
PYN
QEH
QMH
RH
TKO
TMH
TRL
UCH
YCH
AHN
CMC
GH
KWH
NDH
PMH
PWH
PYN
QEH
QMH
RH
TKO
TMH
UCH
YCH
AHN
CMC
KWH
NDH
PMH
PWH
PYN
QEH
QMH
TKO
TMH
UCH
AHN
KWH
PMH
PWH
PYN
QEH
QMH
TKO
TMH
UCH
PHLC
QMH PWH
PHLC
CPLC
CPLC
Dr CC Shek Dr Eric Chan Dr Raymond Chu Dr KC Lee Dr TL Que
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Progress
Type Area Terminology Status
Micro-organisms HA and DH SNOMED CT Completed initial mapping
Specimen type HA and DH SNOMED CT Completed initial mapping
Antibiotics HA and DH LOINC Completed initial mapping
Microbiology tests HA and DH LOINC In progress
Biochemistry tests (common) HA and DH LOINC Completed initial mapping
Haematology tests (common) HA and DH LOINC Completed initial mapping
Immunology tests HA and DH LOINC In progress
Anatomical Pathology (Diagnosis code)
HA and DH SNOMED CT In progress
Molecular/Esoteric tests HA and DH LOINC Pending
Test request name eHR SNOMED CT Pending
• Laboratory data standardization/mapping progress
Challenges – Maintenance and Quality Assurance
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Lab data Terminology Adoption
SNOMED CT
Like a Question –Urine Culture?
Like an Answer –Escherichia coli
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Both LOINC and SNOMED CT being used
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Terminology -A brief introduction of LOINC
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LOINC - Background
• Logical Observation Identifiers Names and Codes
• LOINC system was initiated in 1994 by the Regenstrief Institute, a non-profit medical research organization associated with Indiana University.
• Developed for data exchange of lab results among different institutions
• Free to use
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Why LOINC
• To facilitate the exchange and pooling of results, for clinical care, outcomes management, and research.
• Most widely adopted reference terminology for Laboratory
• Over 44,000 laboratory terms
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An example of a LOINC code
LOINC code
• Component
• Property
• Timing
• System
• Scale
• Method
Sodium [Moles/volume] in Serum or Plasma
2951-2
• Sodium
• SCnc
• Pt
• Ser/Plas
• Qn
Six-axis
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Laboratory results interface between DH and HA
HL7DH LISTerm and code Set
LOIN
C m
app
ing
DH Lab
HKCVT
HA
LIS Tran
sform
ation
HA doctor
ePR
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Laboratory data standards for eHR
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References
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Structured report model - Microbiology
Request
Specimen type
Anatomical site
Test profile
Test
Culture
Organism
Antibiotics
SNOMED
SNOMED
LOINC
LOINC
SNOMED
LOINC
Terminology
Refer to
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Structured report model - Clinical Pathology
Request
Specimen type
Test profile
Test
Test
Specimen type
Test profile
Test
Test
SNOMED
LOINC
LOINC
SNOMED
LOINC
LOINC
TerminologyRefer to
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Structured report model - Anatomical Pathology
Request
Specimen type
Anatomical site
Test profile
Test
Diagnosis
SNOMED
SNOMED
LOINC
SNOMED
Terminology
Refer to
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Recap - Terminology to be used
• Chemical Path / Haematology / ImmunologyTests -> LOINC
• Microbiology / VirologyTests -> LOINCOrganisms -> SNOMED CTAntibiotics -> LOINCSpecimen type -> SNOMED CT
• Anatomical PathologyTests -> LOINCDiagnosis -> SNOMED CT
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Laboratory Standards RoadmapTest
Specimen type
Diagnosis
Culture
Organism
Antibiotic
LOINC
SNOMED
Lab Data
HL7 messageStructured report withTerminology reference
Test Mapping List
HKCTT Lab test mapping
Editorial policy
Editorial policy for
Lab data
Interchange Format
Specification
Lab data Interchange
FormatSpecification
Lab records
eHR
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Thank You