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1.23.3.1.4 HL7 Version 2 Table http://hl7.org/fhir/v2/0004 
This is a table defined as part of HL7 v2.
Formal value Set definition (identifier http://hl7.org/fhir/v2/vs/0004): XML or JSON
Patient Class
| Code | Description | Version |
| B | Obstetrics | added v2.2 |
| C | Commercial Account | added v2.4 |
| E | Emergency | from v2.1 |
| I | Inpatient | from v2.1 |
| N | Not Applicable | added v2.4 |
| O | Outpatient | from v2.1 |
| P | Preadmit | from v2.1 |
| R | Recurring patient | added v2.2 |
| TK | | added v2.2, removed after v2.2 |
| TS | teilstationäre Behandlung | added v2.2, removed after v2.2 |
| U | Unknown | added v2.4 |
| VS | vollstationäre Behandlung | added v2.2, removed after v2.2 |