HL7 v2.5 Vocabulary
0.1.0 - ci-build

HL7 v2.5 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v25/ and changes regularly. See the Directory of published versions

## CodeSystem: Admit Source (2.5 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/admitSource | Version: 1.0.0
Active as of 2026-01-27 | Computable Name: AdmitSource
Other Identifiers: OID:2.16.840.1.113883.18.14
Copyright/Legal: HL7 Inc., 2026

HL7 published code system of values that indicate where a patient was admitted. In the US, this field is used on UB92 FL20 “Source of Admission”; note that the UB codes listed are not an exhaustive or current list; refer to a UB specification for additional information. This needs review by HTA and PA/FM; this may be a value set built on external CMS codes from the UB. It has not been published after the HL7 Version 2.6 release of the Standard.

This Code system is referenced in the content logical definition of the following value sets:

- Hl7VSadmitSource

Properties

This code system defines the following properties for its concepts

Name | Code | URI | Type | Description
versionIntroduced | versionIntroduced | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced | string | version when was this code introduced
versionDeprecated | versionDeprecated | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated | string | version when was this code deprecated
status | status | http://hl7.org/fhir/concept-properties#status | code | A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired
comment | comment | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment | string | A string that provides additional detail pertinent to the use or understanding of the concept
usage | usage | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage | string | usage notes for this code
modified | modified | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified | dateTime | date of last modification

Concepts

This case-sensitive code system `http://terminology.hl7.org/v2plusvocab/CodeSystem/admitSource` defines the following codes:

Code | Display | Definition | versionIntroduced | Deutsch (German, de)
1 | Physician referral | Physician referral | 2.3.1 | Überweisung durch Arzt
2 | Clinic referral | Clinic referral | 2.3.1 | Überweisung durch Klinik
3 | HMO referral | HMO referral | 2.3.1 | nicht verwendet
4 | Transfer from a hospital | Transfer from a hospital | 2.3.1 | Verlegung aus Krankenhaus
5 | Transfer from a skilled nursing facility | Transfer from a skilled nursing facility | 2.3.1 | Verlegung aus Pflegeeinrichtung
6 | Transfer from another health care facility | Transfer from another health care facility | 2.3.1 | Verlegung aus sonstiger Gesundheitseinrichtung
7 | Emergency room | Emergency room | 2.3.1 | Notfallambulanz
8 | Court/law enforcement | Court/law enforcement | 2.3.1 | Zwangseinweisung
9 | Information not available | Information not available | 2.3.1 | keine Information verfügbar