FHIR to OMOP FHIR IG
1.0.0 - INFORMATIVE 1 International flag

FHIR to OMOP FHIR IG, published by HL7 International / Biomedical Research and Regulation. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-omop-ig/ and changes regularly. See the Directory of published versions

Logical Model: Condition Era OMOP Table

Official URL: http://hl7.org/fhir/uv/omop/StructureDefinition/ConditionEra Version: 1.0.0
Standards status: Informative Active as of 2026-02-12 Maturity Level: 1 Computable Name: ConditionEra

A Condition Era is defined as a span of time when the Person is assumed to have a given condition. Similar to Drug Eras, Condition Eras are chronological periods of Condition Occurrence. Combining individual Condition Occurrences into a single Condition Era serves two purposes:

  • It allows aggregation of chronic conditions that require frequent ongoing care, instead of treating each Condition Occurrence as an independent event.
  • It allows aggregation of multiple, closely timed doctor visits for the same Condition to avoid double-counting the Condition Occurrences. For example, consider a Person who visits her Primary Care Physician (PCP) and who is referred to a specialist. At a later time, the Person visits the specialist, who confirms the PCP's original diagnosis and provides the appropriate treatment to resolve the condition. These two independent doctor visits should be aggregated into one Condition Era.

Usages:

  • This Logical Model is not used by any profiles in this Implementation Guide

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description Differentials, Snapshots, and other representations.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. ConditionEra 0..* Base Condition Era OMOP Table
Instances of this logical model can be the target of a Reference
... condition_era_id 1..1 code Condition Era Identifier
... person_id 1..1 Reference(Person OMOP Table) Person
... condition_concept_id 1..1 code Condition
... condition_era_end_date 1..1 code Condition Era End Date
... condition_occurrence_count 0..1 integer Condition Occurence Count

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. ConditionEra 0..* Base Condition Era OMOP Table
Instances of this logical model can be the target of a Reference
... condition_era_id 1..1 code Condition Era Identifier
... person_id 1..1 Reference(Person OMOP Table) Person
... condition_concept_id 1..1 code Condition
... condition_era_end_date 1..1 code Condition Era End Date
... condition_occurrence_count 0..1 integer Condition Occurence Count

doco Documentation for this format

Summary

Mandatory: 0 element(5 nested mandatory elements)

Structures

This structure refers to these other structures:

Maturity: 1

Differential View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. ConditionEra 0..* Base Condition Era OMOP Table
Instances of this logical model can be the target of a Reference
... condition_era_id 1..1 code Condition Era Identifier
... person_id 1..1 Reference(Person OMOP Table) Person
... condition_concept_id 1..1 code Condition
... condition_era_end_date 1..1 code Condition Era End Date
... condition_occurrence_count 0..1 integer Condition Occurence Count

doco Documentation for this format

Snapshot ViewView

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. ConditionEra 0..* Base Condition Era OMOP Table
Instances of this logical model can be the target of a Reference
... condition_era_id 1..1 code Condition Era Identifier
... person_id 1..1 Reference(Person OMOP Table) Person
... condition_concept_id 1..1 code Condition
... condition_era_end_date 1..1 code Condition Era End Date
... condition_occurrence_count 0..1 integer Condition Occurence Count

doco Documentation for this format

Summary

Mandatory: 0 element(5 nested mandatory elements)

Structures

This structure refers to these other structures:

Maturity: 1

 

Other representations of profile: CSV, Excel