(for VisitDetail:) A foreign key to a Concept that refers to the code used in the source.

(for NoteNlp:) A foreign key to a Concept that refers to the code in the source vocabulary used by the NLP system

(for Observation:) A foreign key to a Concept that refers to the code used in the source.

(for DrugExposure:) A foreign key to a Drug Concept that refers to the code used in the source.

(for VisitOccurrence:) A foreign key to a Concept that refers to the code used in the source.

(for Measurement:) A foreign key to a Concept in the Standard Vocabularies that refers to the code used in the source.

(for SourceToConceptMap:) A foreign key to the Source Concept that is being translated into a Standard Concept.

(for Cost:) A foreign key to a Cost Concept that refers to the code used in the source.

(for ConditionOccurrence:) A foreign key to a Condition Concept that refers to the code used in the source.

(for DeviceExposure:) A foreign key to a Device Concept that refers to the code used in the source.

(for Specimen:) The Specimen identifier as it appears in the source data.

(for ProcedureOccurrence:) A foreign key to a Procedure Concept that refers to the code used in the source.

cost.cost_source_concept_id#281 AS Concept

device_exposure.device_source_concept_id#42 AS Concept

observation.observation_source_concept_id#136 AS Concept

visit_detail.visit_detail_source_concept_id#230 AS Concept

procedure_occurrence.procedure_source_concept_id#178 AS Concept

visit_occurrence.visit_source_concept_id#249 AS Concept

measurement.measurement_source_concept_id#88 AS Concept

note_nlp.note_nlp_source_concept_id#114 AS Concept

specimen.specimen_source_id#190 AS Thing

condition_occurrence.condition_source_concept_id#26 AS Concept

drug_exposure.drug_source_concept_id#63 AS Concept

source_to_concept_map.source_concept_id#415 AS Concept

source