Christian Reich, Patrick Ryan and the OHDSI CDM and Vocabulary Development Working Group

This document shows the latest version, and with the changes where previous versions differed and the date those changes were implemented.

View as single-page document.

Table of Contents

• License
• Background
• The Role of the Common Data Model
  • Design Principles
  • Details of the Model
  • Data Model Conventions
  • Changes from Version 4.0
  • Glossary of Terms
• Standardized Vocabularies
  • CONCEPT
  • VOCABULARY
  • DOMAIN
  • CONCEPT_CLASS
  • CONCEPT_RELATIONSHIP
  • RELATIONSHIP
  • CONCEPT_SYNONYM
  • CONCEPT_ANCESTOR
  • SOURCE_TO_CONCEPT_MAP
  • DRUG_STRENGTH
  • COHORT_DEFINITION
  • ATTRIBUTE_DEFINITION
• Standardized meta-data
  • CDM_SOURCE
• Standardized Clinical Data Tables
  • PERSON
  • OBSERVATION_PERIOD
  • SPECIMEN
  • DEATH
  • VISIT_OCCURRENCE
  • PROCEDURE_OCCURRENCE
  • DRUG_EXPOSURE
  • DEVICE_EXPOSURE
  • CONDITION_OCCURRENCE
  • MEASUREMENT
  • NOTE
  • NOTE_NLP (V5 5.2)
  • OBSERVATION
  • FACT_RELATIONSHIP
• Standardized Health System Data Tables
  • LOCATION
  • CARE_SITE
  • PROVIDER
• Standardized Health Economics Data Tables
  • PAYER_PLAN_PERIOD
  • COST (V5.0.1)
  • VISIT_COST - removed
  • PROCEDURE_COST - removed
  • DRUG_COST - removed
  • DEVICE_COST - removed
• Standardized Derived Elements
  • COHORT
  • COHORT_ATTRIBUTE
  • DRUG_ERA
  • DOSE_ERA
  • CONDITION_ERA