{2 16 840 1 113883 18 180}
HL7-defined code system of concepts specifying the characters used in the MIME Base 64 encoding mechanism. These are for reference only, as they are not carried as explicit code values in any HL7 coded field. This table was published only in releases 2.3, 2.3.1, and 2.4 of the Standard, and was removed thereafter.
Status in source: active.
Names: MimeBase64EncodingCharacters, v2-0290
{
"url": "http://terminology.hl7.org/CodeSystem/v2-0290",
"date": "2019-12-01",
"title": "mimeBase64EncodingCharacters",
"status": "active",
"contact": [
{
"telecom": [
{
"value": "http://hl7.org",
"system": "url"
},
{
"value": "hq@HL7.org",
"system": "email"
}
]
}
],
"purpose": "Underlying Master Code System for V2 table 0290 (MIME base64 encoding characters)",
"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:2.16.840.1.113883.18.180",
"system": "urn:ietf:rfc:3986"
},
"hierarchyMeaning": "is-a"
}Downloaded: 2026-10-19T20:26:54.046133+00:00.
Status in source: complete.
Names: mimeBase64EncodingCharacters
{
"organization": "HL7 International",
"coding_system_name": "MIME base64 encoding characters",
"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 |
|---|---|---|---|---|
| 2.16.840.1.113883.18.307 | OrderType, v2-0482, orderType | 0 | 0 | |
| 2.16.840.1.113883.18.308 | AuthorizationMode, v2-0483, authorizationMode | 0 | 0 | |
| 2.16.840.1.113883.18.309 | DispenseType, v2-0484, dispenseType | 0 | 0 | |
| 2.16.840.1.113883.18.310 | ExtendedPriorityCodes, v2-0485, extendedPriorityCodes | 0 | 0 | |
| 2.16.840.1.113883.18.311 | SpecimenType, v2-0487, specimenType | 0 | 0 | |
| 2.16.840.1.113883.18.312 | SpecimenCollectionMethod, v2-0488, specimenCollectionMethod | 0 | 0 | |
| 2.16.840.1.113883.18.313 | Risks, v2-0489, risks | 0 | 0 | |
| 2.16.840.1.113883.18.314 | SpecimenRejectReason, v2-0490, specimenRejectReason | 0 | 0 | |
| 2.16.840.1.113883.18.315 | SpecimenQuality, v2-0491, specimenQuality | 0 | 0 | |
| 2.16.840.1.113883.18.316 | SpecimenAppropriateness, v2-0492, specimenAppropriateness | 0 | 0 | |
| 2.16.840.1.113883.18.317 | SpecimenCondition, v2-0493, specimenCondition | 0 | 0 | |
| 2.16.840.1.113883.18.318 | SpecimenChildRole, v2-0494, specimenChildRole | 0 | 0 | |
| 2.16.840.1.113883.18.319 | BodySiteModifier, v2-0495, bodySiteModifier | 0 | 0 | |
| 2.16.840.1.113883.18.320 | ConsentType, v2-0496, consentType | 0 | 0 | |
| 2.16.840.1.113883.18.321 | ConsentMode, v2-0497, consentMode | 0 | 0 | |
| 2.16.840.1.113883.18.322 | ConsentStatus, v2-0498, consentStatus | 0 | 0 | |
| 2.16.840.1.113883.18.323 | ConsentBypassReason, v2-0499, consentBypassReason | 0 | 0 | |
| 2.16.840.1.113883.18.324 | ConsentDisclosureLevel, v2-0500, consentDisclosureLevel | 0 | 0 | |
| 2.16.840.1.113883.18.325 | ConsentNonDisclosureReason, v2-0501, consentNon-disclosureReason | 0 | 0 | |
| 2.16.840.1.113883.18.326 | NonSubjectConsenterReason, v2-0502, non-subjectConsenterReason | 0 | 0 | |
| 2.16.840.1.113883.18.327 | SequenceResultsFlag, v2-0503, sequenceResultsFlag | 0 | 0 | |
| 2.16.840.1.113883.18.328 | SequenceCondition, v2-0504, sequenceCondition | 0 | 0 | |
| 2.16.840.1.113883.18.329 | CyclicEntryExitIndicator, v2-0505, cyclicEntryExitIndicator | 0 | 0 | |
| 2.16.840.1.113883.18.330 | ServiceRequestRelationship, v2-0506, serviceRequestRelationship | 0 | 0 | |
| 2.16.840.1.113883.18.331 | ObservationResultHandling, v2-0507, observationResultHandling | 0 | 0 | |
| 2.16.840.1.113883.18.332 | BloodProductProcessingRequirements, v2-0508, bloodProductProcessingRequirements | 0 | 0 | |
| 2.16.840.1.113883.18.333 | BloodProductDispenseStatus, v2-0510, bloodProductDispenseStatus | 0 | 0 | |
| 2.16.840.1.113883.18.334 | BpObservationStatusCodesInterpretation, v2-0511, bpObservationStatusCodesInterpretation | 0 | 0 | |
| 2.16.840.1.113883.18.335 | BloodProductTransfusionDispositionStatus, v2-0513, bloodProductTransfusion-dispositionStatus | 0 | 0 | |
| 2.16.840.1.113883.18.336 | TransfusionAdverseReaction, v2-0514, transfusionAdverseReaction | 0 | 0 | |
| 2.16.840.1.113883.18.337 | ErrorSeverity, v2-0516, errorSeverity | 0 | 0 | |
| 2.16.840.1.113883.18.338 | InformInstructions, v2-0517, informInstructions | 0 | 0 | |
| 2.16.840.1.113883.18.339 | OverrideType, v2-0518, overrideType | 0 | 0 | |
| 2.16.840.1.113883.18.340 | MessageWaitingPriority, v2-0520, messageWaitingPriority | 0 | 0 | |
| 2.16.840.1.113883.18.341 | ComputationType, v2-0523, computationType | 0 | 0 | |
| 2.16.840.1.113883.18.342 | SequenceCondition, v2-0524, sequenceCondition | 0 | 0 | |
| 2.16.840.1.113883.18.343 | CalendarAlignment, v2-0527, calendarAlignment | 0 | 0 | |
| 2.16.840.1.113883.18.344 | EventRelatedPeriod, v2-0528, eventRelatedPeriod | 0 | 0 | |
| 2.16.840.1.113883.18.345 | Precision, v2-0529, precision | 0 | 0 | |
| 2.16.840.1.113883.18.346 | OrganizationAgencyDepartment, v2-0530, organization-Agency-Department | 0 | 0 | |
| 2.16.840.1.113883.18.347 | ExpandedYesNoIndicator, v2-0532, expandedYes-NoIndicator | 0 | 0 | |
| 2.16.840.1.113883.18.348 | ClergyNotificationType, v2-0534, clergyNotificationType | 0 | 0 | |
| 2.16.840.1.113883.18.349 | SignatureType, v2-0535, signatureType | 0 | 0 | |
| 2.16.840.1.113883.18.350 | CertificateStatus, v2-0536, certificateStatus | 0 | 0 | |
| 2.16.840.1.113883.18.351 | InstitutionRelationshipType, v2-0538, institutionRelationshipType | 0 | 0 | |
| 2.16.840.1.113883.18.352 | InactiveReason, v2-0540, inactiveReason | 0 | 0 | |
| 2.16.840.1.113883.18.353 | ContainerCondition, v2-0544, containerCondition | 0 | 0 | |
| 2.16.840.1.113883.18.354 | JurisdictionalBreadth, v2-0547, jurisdictionalBreadth | 0 | 0 | |
| 2.16.840.1.113883.18.355 | SignatorysRelationshipToSubject, v2-0548, signatorysRelationshipToSubject | 0 | 0 | |
| 2.16.840.1.113883.18.356 | BodyParts, v2-0550, bodyParts | 0 | 0 |