{2 16 840 1 113883 18 98}
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.
Status in source: active.
Names: PreferredMethodOfContact, v2-0185
{
"url": "http://terminology.hl7.org/CodeSystem/v2-0185",
"date": "2019-12-01",
"title": "preferredMethodOfContact",
"status": "active",
"contact": [
{
"telecom": [
{
"value": "http://hl7.org",
"system": "url"
},
{
"value": "hq@HL7.org",
"system": "email"
}
]
}
],
"purpose": "Underlying Master Code System for V2 table 0185 (Preferred Method of Contact)",
"version": "3.0.0",
"copyright": "This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license.html",
"publisher": "Health Level Seven International",
"experimental": false,
"caseSensitive": true,
"compositional": false,
"resource_type": "CodeSystem",
"versionNeeded": false,
"oid_identifier": {
"value": "urn:oid:2.16.840.1.113883.18.98",
"system": "urn:ietf:rfc:3986"
},
"hierarchyMeaning": "is-a"
}Downloaded: 2026-10-19T20:26:54.046133+00:00.
Status in source: complete.
Names: preferredMethodOfContact
{
"organization": "HL7 International",
"coding_system_name": "Preferred Method of Contact",
"published_oid_type": "18"
}HL7 report status: OID review is complete.
· Download HL7 International OID Registry — all types, statuses and fieldsDownloaded: 2026-10-25T23:05:32.096080+00:00.
| OID | Name | Direct children | Descendants | Description |
|---|---|---|---|---|
| 2.16.840.1.113883.18.1 | sex | 0 | 0 | Sex |
| 2.16.840.1.113883.18.2 | administrativeSex, AdministrativeSex, v2-0001 | 0 | 0 | Administrative sex |
| 2.16.840.1.113883.18.3 | problemGoalActionCode, ProblemGoalAction, v2-0287, problem-goalAction | 0 | 0 | Health Level 7 (HL7) Table 0287 – Problem/goal action code |
| 2.16.840.1.113883.18.4 | Event, v2-0003, eventType | 0 | 0 | |
| 2.16.840.1.113883.18.5 | PatientClass, v2-0004, patientClass | 0 | 0 | |
| 2.16.840.1.113883.18.6 | ethnicGroup | 0 | 0 | |
| 2.16.840.1.113883.18.7 | religion | 0 | 0 | |
| 2.16.840.1.113883.18.8 | Religion2, v2-0006, religion2 | 0 | 0 | |
| 2.16.840.1.113883.18.9 | AdmissionType, v2-0007, admissionType | 0 | 0 | |
| 2.16.840.1.113883.18.10 | AcknowledgmentCodes, v2-0008, acknowledgmentCodes | 0 | 0 | |
| 2.16.840.1.113883.18.11 | AmbulatoryStatus, v2-0009, ambulatoryStatus | 0 | 0 | |
| 2.16.840.1.113883.18.12 | StockLocation, v2-0012, stockLocation | 0 | 0 | |
| 2.16.840.1.113883.18.13 | TransactionType, v2-0017, transactionType | 0 | 0 | |
| 2.16.840.1.113883.18.14 | admitSource | 0 | 0 | |
| 2.16.840.1.113883.18.15 | Priority, v2-0027, priority | 0 | 0 | |
| 2.16.840.1.113883.18.16 | Route, v2-0033, route | 0 | 0 | |
| 2.16.840.1.113883.18.17 | SiteAdministered, v2-0034, siteAdministered | 0 | 0 | |
| 2.16.840.1.113883.18.18 | OrderStatus, v2-0038, orderStatus | 0 | 0 | |
| 2.16.840.1.113883.18.19 | conditionCodes | 0 | 0 | |
| 2.16.840.1.113883.18.20 | WhatSubjectFilter, v2-0048, whatSubjectFilter | 0 | 0 | |
| 2.16.840.1.113883.18.21 | DiagnosisType, v2-0052, diagnosisType | 0 | 0 | |
| 2.16.840.1.113883.18.22 | CheckDigitScheme, v2-0061, checkDigitScheme | 0 | 0 | |
| 2.16.840.1.113883.18.23 | EventReason, v2-0062, eventReason | 0 | 0 | |
| 2.16.840.1.113883.18.24 | Relationship, v2-0063, relationship | 0 | 0 | |
| 2.16.840.1.113883.18.25 | SpecimenAction, v2-0065, specimenAction | 0 | 0 | |
| 2.16.840.1.113883.18.26 | EmploymentStatus, v2-0066, employmentStatus | 0 | 0 | |
| 2.16.840.1.113883.18.27 | HospitalService, v2-0069, hospitalService | 0 | 0 | |
| 2.16.840.1.113883.18.28 | SpecimenSourceCodes, v2-0070, specimenSourceCodes | 0 | 0 | |
| 2.16.840.1.113883.18.29 | DiagnosticServiceSectionId, v2-0074, diagnosticServiceSectionId | 0 | 0 | |
| 2.16.840.1.113883.18.30 | MessageType, v2-0076, messageType | 0 | 0 | |
| 2.16.840.1.113883.18.31 | interpretationCodes | 0 | 0 | |
| 2.16.840.1.113883.18.32 | NatureOfAbnormalTesting, v2-0080, natureOfAbnormalTesting | 0 | 0 | |
| 2.16.840.1.113883.18.33 | OutlierType, v2-0083, outlierType | 0 | 0 | |
| 2.16.840.1.113883.18.34 | ObservationResultStatusCodesInterpretation, v2-0085, observationResultStatusCodesInterpretation | 0 | 0 | |
| 2.16.840.1.113883.18.35 | QueryPriority, v2-0091, queryPriority | 0 | 0 | |
| 2.16.840.1.113883.18.36 | ReAdmissionIndicator, v2-0092, re-admissionIndicator | 0 | 0 | |
| 2.16.840.1.113883.18.37 | TypeOfAgreement, v2-0098, typeOfAgreement | 0 | 0 | |
| 2.16.840.1.113883.18.38 | InvocationEvent, v2-0100, invocationEvent | 0 | 0 | |
| 2.16.840.1.113883.18.39 | DelayedAcknowledgmentType, v2-0102, delayedAcknowledgmentType | 0 | 0 | |
| 2.16.840.1.113883.18.40 | ProcessingId, v2-0103, processingId | 0 | 0 | |
| 2.16.840.1.113883.18.41 | VersionId, v2-0104, versionId | 0 | 0 | |
| 2.16.840.1.113883.18.42 | SourceOfComment, v2-0105, sourceOfComment | 0 | 0 | |
| 2.16.840.1.113883.18.43 | QueryResponseFormat, v2-0106, queryResponseFormat | 0 | 0 | |
| 2.16.840.1.113883.18.44 | DeferredResponseType, v2-0107, deferredResponseType | 0 | 0 | |
| 2.16.840.1.113883.18.45 | QueryResultsLevel, v2-0108, queryResultsLevel | 0 | 0 | |
| 2.16.840.1.113883.18.46 | ReportPriority, v2-0109, reportPriority | 0 | 0 | |
| 2.16.840.1.113883.18.47 | BedStatus, v2-0116, bedStatus | 0 | 0 | |
| 2.16.840.1.113883.18.48 | OrderControlCodes, v2-0119, orderControlCodes | 0 | 0 | |
| 2.16.840.1.113883.18.49 | ResponseFlag, v2-0121, responseFlag | 0 | 0 | |
| 2.16.840.1.113883.18.50 | ChargeType, v2-0122, chargeType | 0 | 0 |