Visit Domain

Visit codes are standardized using the following terminologies:
  • Place of Service: CMS Place of Service Codes, maintained by The Centers for Medicare & Medicaid Services (CMS), are two-digit codes placed on health care professional claims to indicate the setting in which a service was provided – vocabulary 14.
  • OMOP Visit concepts – vocabulary_id 24.
All 49 currently valid Place of Service codes are loaded into the Concept table as level 1. There are three Visit concepts defined in table:

 Visit  Concept ID
 Office Visit  9201
 Outpatient Visit  9202
 Emergency Room Visit  9203