HL7 v2.4 Vocabulary
0.1.0 - ci-build

HL7 v2.4 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.v24/ and changes regularly. See the Directory of published versions

## CodeSystem: Preferred Method of Contact (2.4 - 1.1.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/preferredMethodOfContact | Version: 1.1.0
Active as of 2026-01-27 | Computable Name: PreferredMethodOfContact
Other Identifiers: OID:2.16.840.1.113883.18.98
Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts specifying which of a group of multiple phone numbers is the preferred method of contact for this person. Used in HL7 Version 2.x messaging in the STF, PRD, and CTD segments.

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

- Hl7VSpreferredMethodOfContrct

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/preferredMethodOfContact` defines the following codes:

Code | Display | Definition | versionIntroduced | usage | Deutsch (German, de)
B | Beeper Number | Beeper Number | 2.2 |  | Beeper
C | Cellular Phone Number | Cellular Phone Number | 2.2 |  | Handy
E | E-Mail Address | E-Mail Address (for backward compatibility) | 2.2 | for backward compatibility | E-Mail-Adresse
F | FAX Number | FAX Number | 2.2 |  | Fax
H | Home Phone Number | Home Phone Number | 2.2 |  | private Telefonnummer
O | Office Phone Number | Office Phone Number | 2.2 |  | Dienstliche Telefonnummer