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EHR data to OMOP CDM Work Group
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270
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17303
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May 29, 2026
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Visit vocabulathon updates and next steps
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0
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414
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October 22, 2025
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(THEMIS 2) How do you handle missing visit end dates?
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56
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4998
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October 16, 2025
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Visit Occurrence - What is a Visit? Why is there so much confusion?
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17
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1546
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September 25, 2025
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Provider Specialty code set clean up
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29
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4259
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August 29, 2025
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Race and Ethnicity in the OMOP CDM
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34
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6516
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July 24, 2025
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Measurement Table - are value_as_concept_id and value_as_number mutually exclusive?
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24
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3563
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November 26, 2024
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Integration - Github and Discourse for Transparency and Community Involvement
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6
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677
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October 31, 2024
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[2022 US Symposium] #69 - Allergies to Substances
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6
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660
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September 26, 2024
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Multiple measurement_source_values for one measurement?
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3
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349
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August 8, 2024
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Upcoming Themis meeting thread
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11
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746
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May 13, 2024
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Operator and Value concept Id - Measurement Table in CDM
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3
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1365
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April 11, 2024
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Data outside of OBSERVATION_PERIOD
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15
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1910
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February 14, 2024
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Outpatient visit definition within the visit_occurrence table
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12
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842
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January 9, 2024
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How to represent family history
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64
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6758
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October 25, 2023
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[2022 US Symposium] #67 - Conical Set of CONCEPT_IDs for Vital Signs
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1
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663
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October 5, 2023
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Multiple Death records due to SNOMED mapping
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11
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889
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September 19, 2023
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Multiple Cause of Death
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8
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1395
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September 19, 2023
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How to capture 'status' for an observation e.g. on admission, on discharge, during admission
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12
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693
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September 10, 2023
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Advice on mapping denied insurance claims to the OMOP CDM
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17
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1360
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August 19, 2023
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Family history extension model
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12
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868
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August 7, 2023
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Next Vocabulary WG meeting July 25 [OHDSI measurement hierarchies]
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4
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495
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July 28, 2023
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[2022 US Symposium] #65 - Smoking Conventions
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13
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1804
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July 27, 2023
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Themis issues
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0
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323
|
July 18, 2023
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[2022 US Symposium] #66 - Episode and Episode Event Tables Documentation
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43
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2121
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July 11, 2023
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SQL scripts to downgrade OMOP versions
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0
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354
|
June 1, 2023
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EHR Prescription data - best practice
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1
|
447
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May 5, 2023
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Custom concepts for *_type_concept_id and *_status_concept_id columns
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6
|
482
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April 7, 2023
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Cohort table questions
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2
|
491
|
April 6, 2023
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[2022 US Sympoisum] #70 - ETL convention for DRUG_ERA/DRUG_EXPOSURE
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5
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649
|
October 17, 2022
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