ReferralReason, v2-0336 — HL7 Terminology
Code system of concepts used to specify the reason for which the referral will take place. Used in HL7 Version 2.x messaging in the Referral Information (RF1) segment.
{2 16 840 1 113883 18 206}
Code system of concepts used to specify the reason for which the referral will take place. Used in HL7 Version 2.x messaging in the Referral Information (RF1) segment.
Status in source: active.
Names: ReferralReason, v2-0336
{
"url": "http://terminology.hl7.org/CodeSystem/v2-0336",
"date": "2019-12-01",
"title": "referralReason",
"status": "active",
"contact": [
{
"telecom": [
{
"value": "http://hl7.org",
"system": "url"
},
{
"value": "hq@HL7.org",
"system": "email"
}
]
}
],
"purpose": "Underlying Master Code System for V2 table 0336 (Referral Reason)",
"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:2.16.840.1.113883.18.206",
"system": "urn:ietf:rfc:3986"
},
"hierarchyMeaning": "is-a"
}Downloaded: 2026-10-19T20:26:54.046133+00:00.
Status in source: complete.
Names: referralReason
{
"organization": "HL7 International",
"coding_system_name": "Referral Reason",
"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 |
|---|---|---|---|---|
| 2.16.840.1.113883.18.102 | TypeOfReferencedData, v2-0191, typeOfReferencedData | 0 | 0 | |
| 2.16.840.1.113883.18.103 | AmountClass, v2-0193, amountClass | 0 | 0 | |
| 2.16.840.1.113883.18.104 | nameType | 0 | 0 | |
| 2.16.840.1.113883.18.105 | NameType2, v2-0200, nameType2 | 0 | 0 | |
| 2.16.840.1.113883.18.106 | TelecommunicationUse, v2-0201, telecommunicationUse | 0 | 0 | |
| 2.16.840.1.113883.18.107 | TelecommunicationEquipmentType, v2-0202, telecommunicationEquipmentType | 0 | 0 | |
| 2.16.840.1.113883.18.108 | IdentifierType, v2-0203, identifierType | 0 | 0 | |
| 2.16.840.1.113883.18.109 | OrganizationalNameType, v2-0204, organizationalNameType | 0 | 0 | |
| 2.16.840.1.113883.18.110 | PriceType, v2-0205, priceType | 0 | 0 | |
| 2.16.840.1.113883.18.111 | SegmentAction, v2-0206, segmentAction | 0 | 0 | |
| 2.16.840.1.113883.18.112 | ProcessingMode, v2-0207, processingMode | 0 | 0 | |
| 2.16.840.1.113883.18.113 | QueryResponseStatus, v2-0208, queryResponseStatus | 0 | 0 | |
| 2.16.840.1.113883.18.114 | RelationalOperator, v2-0209, relationalOperator | 0 | 0 | |
| 2.16.840.1.113883.18.115 | RelationalConjunction, v2-0210, relationalConjunction | 0 | 0 | |
| 2.16.840.1.113883.18.116 | AlternateCharacterSets, v2-0211, alternateCharacterSets | 0 | 0 | |
| 2.16.840.1.113883.18.117 | PurgeStatus, v2-0213, purgeStatus | 0 | 0 | |
| 2.16.840.1.113883.18.118 | SpecialProgram, v2-0214, specialProgram | 0 | 0 | |
| 2.16.840.1.113883.18.119 | Publicity, v2-0215, publicity | 0 | 0 | |
| 2.16.840.1.113883.18.120 | PatientStatus, v2-0216, patientStatus | 0 | 0 | |
| 2.16.840.1.113883.18.121 | VisitPriority, v2-0217, visitPriority | 0 | 0 | |
| 2.16.840.1.113883.18.122 | LivingArrangement, v2-0220, livingArrangement | 0 | 0 | |
| 2.16.840.1.113883.18.123 | livingDependency | 0 | 0 | |
| 2.16.840.1.113883.18.124 | LivingDependency2, v2-0223, livingDependency2 | 0 | 0 | |
| 2.16.840.1.113883.18.125 | TransportArranged, v2-0224, transportArranged | 0 | 0 | |
| 2.16.840.1.113883.18.126 | EscortRequired, v2-0225, escortRequired | 0 | 0 | |
| 2.16.840.1.113883.18.127 | manufacturersOfVaccinesHL7 | 0 | 0 | |
| 2.16.840.1.113883.18.128 | DiagnosisClassification, v2-0228, diagnosisClassification | 0 | 0 | |
| 2.16.840.1.113883.18.129 | drgPayor | 0 | 0 | |
| 2.16.840.1.113883.18.130 | ProcedureFunctionalType, v2-0230, procedureFunctionalType | 0 | 0 | |
| 2.16.840.1.113883.18.131 | StudentStatus, v2-0231, studentStatus | 0 | 0 | |
| 2.16.840.1.113883.18.132 | InsuranceCompanyContactReason, v2-0232, insuranceCompanyContactReason | 0 | 0 | |
| 2.16.840.1.113883.18.133 | ReportTiming, v2-0234, reportTiming | 0 | 0 | |
| 2.16.840.1.113883.18.134 | ReportSource, v2-0235, reportSource | 0 | 0 | |
| 2.16.840.1.113883.18.135 | EventReportedTo, v2-0236, eventReportedTo | 0 | 0 | |
| 2.16.840.1.113883.18.136 | EventQualification, v2-0237, eventQualification | 0 | 0 | |
| 2.16.840.1.113883.18.137 | EventSeriousness, v2-0238, eventSeriousness | 0 | 0 | |
| 2.16.840.1.113883.18.138 | EventExpected, v2-0239, eventExpected | 0 | 0 | |
| 2.16.840.1.113883.18.139 | EventConsequence, v2-0240, eventConsequence | 0 | 0 | |
| 2.16.840.1.113883.18.140 | PatientOutcome, v2-0241, patientOutcome | 0 | 0 | |
| 2.16.840.1.113883.18.141 | PrimaryObserverQualification, v2-0242, primaryObserverQualification | 0 | 0 | |
| 2.16.840.1.113883.18.142 | IdentityMayBeDivulged, v2-0243, identityMayBeDivulged | 0 | 0 | |
| 2.16.840.1.113883.18.143 | StatusOfEvaluation, v2-0247, statusOfEvaluation | 0 | 0 | |
| 2.16.840.1.113883.18.144 | ProductSource, v2-0248, productSource | 0 | 0 | |
| 2.16.840.1.113883.18.145 | RelatednessAssessment, v2-0250, relatednessAssessment | 0 | 0 | |
| 2.16.840.1.113883.18.146 | ActionTakenInResponseToTheEvent, v2-0251, actionTakenInResponseToTheEvent | 0 | 0 | |
| 2.16.840.1.113883.18.147 | CausalityObservations, v2-0252, causalityObservations | 0 | 0 | |
| 2.16.840.1.113883.18.148 | IndirectExposureMechanism, v2-0253, indirectExposureMechanism | 0 | 0 | |
| 2.16.840.1.113883.18.149 | KindOfQuantity, v2-0254, kindOfQuantity | 0 | 0 | |
| 2.16.840.1.113883.18.150 | DurationCategories, v2-0255, durationCategories | 0 | 0 | |
| 2.16.840.1.113883.18.151 | TimeDelayPostChallenge, v2-0256, timeDelayPostChallenge | 0 | 0 |