{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 |
|---|---|---|---|---|
| 2.16.840.1.113883.18.153 | RelationshipModifier, v2-0258, relationshipModifier | 0 | 0 | |
| 2.16.840.1.113883.18.154 | modality | 0 | 0 | |
| 2.16.840.1.113883.18.155 | PatientLocationType, v2-0260, patientLocationType | 0 | 0 | |
| 2.16.840.1.113883.18.156 | LocationEquipment, v2-0261, locationEquipment | 0 | 0 | |
| 2.16.840.1.113883.18.157 | PrivacyLevel, v2-0262, privacyLevel | 0 | 0 | |
| 2.16.840.1.113883.18.158 | LevelOfCare, v2-0263, levelOfCare | 0 | 0 | |
| 2.16.840.1.113883.18.159 | SpecialtyType, v2-0265, specialtyType | 0 | 0 | |
| 2.16.840.1.113883.18.160 | DaysOfTheWeek, v2-0267, daysOfTheWeek | 0 | 0 | |
| 2.16.840.1.113883.18.161 | Override, v2-0268, override | 0 | 0 | |
| 2.16.840.1.113883.18.162 | ChargeOnIndicator, v2-0269, chargeOnIndicator | 0 | 0 | |
| 2.16.840.1.113883.18.163 | DocumentType, v2-0270, documentType | 0 | 0 | |
| 2.16.840.1.113883.18.164 | DocumentCompletionStatus, v2-0271, documentCompletionStatus | 0 | 0 | |
| 2.16.840.1.113883.18.165 | documentConfidentialityStatus | 0 | 0 | |
| 2.16.840.1.113883.18.166 | DocumentConfidentialityStatus2, v2-0272, documentConfidentialityStatus2 | 0 | 0 | |
| 2.16.840.1.113883.18.167 | DocumentAvailabilityStatus, v2-0273, documentAvailabilityStatus | 0 | 0 | |
| 2.16.840.1.113883.18.168 | DocumentStorageStatus, v2-0275, documentStorageStatus | 0 | 0 | |
| 2.16.840.1.113883.18.169 | AppointmentReason, v2-0276, appointmentReason | 0 | 0 | |
| 2.16.840.1.113883.18.170 | AppointmentType, v2-0277, appointmentType | 0 | 0 | |
| 2.16.840.1.113883.18.171 | FillerStatus, v2-0278, fillerStatus | 0 | 0 | |
| 2.16.840.1.113883.18.172 | AllowSubstitution, v2-0279, allowSubstitution | 0 | 0 | |
| 2.16.840.1.113883.18.173 | ReferralPriority, v2-0280, referralPriority | 0 | 0 | |
| 2.16.840.1.113883.18.174 | ReferralType, v2-0281, referralType | 0 | 0 | |
| 2.16.840.1.113883.18.175 | ReferralDisposition, v2-0282, referralDisposition | 0 | 0 | |
| 2.16.840.1.113883.18.176 | ReferralStatus, v2-0283, referralStatus | 0 | 0 | |
| 2.16.840.1.113883.18.177 | ReferralCategory, v2-0284, referralCategory | 0 | 0 | |
| 2.16.840.1.113883.18.178 | ProviderRole, v2-0286, providerRole | 0 | 0 | |
| 2.16.840.1.113883.18.179 | MaritalStatus, v2-0002, maritalStatus | 0 | 0 | |
| 2.16.840.1.113883.18.180 | MimeBase64EncodingCharacters, v2-0290, mimeBase64EncodingCharacters | 0 | 0 | |
| 2.16.840.1.113883.18.181 | SubtypeOfReferencedData, v2-0291, subtypeOfReferencedData | 0 | 0 | |
| 2.16.840.1.113883.18.182 | vaccinesAdministeredHL7 | 0 | 0 | |
| 2.16.840.1.113883.18.183 | TimeSelectionCriteriaParameterClass, v2-0294, timeSelectionCriteriaParameterClass | 0 | 0 | |
| 2.16.840.1.113883.18.184 | CpRangeType, v2-0298, cpRangeType | 0 | 0 | |
| 2.16.840.1.113883.18.185 | Encoding, v2-0299, encoding | 0 | 0 | |
| 2.16.840.1.113883.18.186 | UniversalIdType, v2-0301, universalIdType | 0 | 0 | |
| 2.16.840.1.113883.18.187 | PersonLocationType, v2-0305, personLocationType | 0 | 0 | |
| 2.16.840.1.113883.18.188 | CoverageType, v2-0309, coverageType | 0 | 0 | |
| 2.16.840.1.113883.18.189 | JobStatus, v2-0311, jobStatus | 0 | 0 | |
| 2.16.840.1.113883.18.190 | LivingWillCodes, v2-0315, livingWillCodes | 0 | 0 | |
| 2.16.840.1.113883.18.191 | organDonorCode1 | 0 | 0 | |
| 2.16.840.1.113883.18.192 | OrganDonorCodes, v2-0316, organDonorCodes | 0 | 0 | |
| 2.16.840.1.113883.18.193 | Annotations, v2-0317, annotations | 0 | 0 | |
| 2.16.840.1.113883.18.194 | DispenseMethod, v2-0321, dispenseMethod | 0 | 0 | |
| 2.16.840.1.113883.18.195 | CompletionStatus, v2-0322, completionStatus | 0 | 0 | |
| 2.16.840.1.113883.18.196 | ActionCodes, v2-0323, actionCodes | 0 | 0 | |
| 2.16.840.1.113883.18.197 | LocationCharacteristic, v2-0324, locationCharacteristic | 0 | 0 | |
| 2.16.840.1.113883.18.198 | LocationRelationship, v2-0325, locationRelationship | 0 | 0 | |
| 2.16.840.1.113883.18.199 | VisitIndicator, v2-0326, visitIndicator | 0 | 0 | |
| 2.16.840.1.113883.18.200 | QuantityMethod, v2-0329, quantityMethod | 0 | 0 | |
| 2.16.840.1.113883.18.201 | MarketingBasis, v2-0330, marketingBasis | 0 | 0 | |
| 2.16.840.1.113883.18.202 | FacilityType, v2-0331, facilityType | 0 | 0 |