{2 16 840 1 113883 18 148}
HL7-defined code system of concepts used to identify the mechanism of product transmission when the product has not been directly applied to the patient. Used in HL7 Version 2.x messaging in the PCR segment.
Status in source: active.
Names: IndirectExposureMechanism, v2-0253
{
"url": "http://terminology.hl7.org/CodeSystem/v2-0253",
"date": "2019-12-01",
"title": "indirectExposureMechanism",
"status": "active",
"contact": [
{
"telecom": [
{
"value": "http://hl7.org",
"system": "url"
},
{
"value": "hq@HL7.org",
"system": "email"
}
]
}
],
"purpose": "Underlying Master Code System for V2 table 0253 (Indirect Exposure Mechanism)",
"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:2.16.840.1.113883.18.148",
"system": "urn:ietf:rfc:3986"
},
"hierarchyMeaning": "is-a"
}Downloaded: 2026-10-19T20:26:54.046133+00:00.
Status in source: complete.
Names: indirectExposureMechanism
{
"organization": "HL7 International",
"coding_system_name": "Indirect Exposure Mechanism",
"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 |
|---|---|---|---|---|
| 2.16.840.1.113883.18.51 | ResultStatus, v2-0123, resultStatus | 0 | 0 | |
| 2.16.840.1.113883.18.52 | TransportationMode, v2-0124, transportationMode | 0 | 0 | |
| 2.16.840.1.113883.18.53 | QuantityLimitedRequest, v2-0126, quantityLimitedRequest | 0 | 0 | |
| 2.16.840.1.113883.18.54 | AllergenType, v2-0127, allergenType | 0 | 0 | |
| 2.16.840.1.113883.18.55 | AllergySeverity, v2-0128, allergySeverity | 0 | 0 | |
| 2.16.840.1.113883.18.56 | VisitUserCodes, v2-0130, visitUserCodes | 0 | 0 | |
| 2.16.840.1.113883.18.57 | contactRole | 0 | 0 | |
| 2.16.840.1.113883.18.58 | ContactRole2, v2-0131, contactRole2 | 0 | 0 | |
| 2.16.840.1.113883.18.59 | ProcedurePractitionerIdentifierCodeType, v2-0133, procedurePractitionerIdentifierCodeType | 0 | 0 | |
| 2.16.840.1.113883.18.60 | AssignmentOfBenefits, v2-0135, assignmentOfBenefits | 0 | 0 | |
| 2.16.840.1.113883.18.61 | MailClaimParty, v2-0137, mailClaimParty | 0 | 0 | |
| 2.16.840.1.113883.18.62 | MilitaryService, v2-0140, militaryService | 0 | 0 | |
| 2.16.840.1.113883.18.63 | militaryRank-Grade | 0 | 0 | |
| 2.16.840.1.113883.18.64 | MilitaryStatus, v2-0142, militaryStatus | 0 | 0 | |
| 2.16.840.1.113883.18.65 | EligibilitySource, v2-0144, eligibilitySource | 0 | 0 | |
| 2.16.840.1.113883.18.66 | RoomType, v2-0145, roomType | 0 | 0 | |
| 2.16.840.1.113883.18.67 | AmountType, v2-0146, amountType | 0 | 0 | |
| 2.16.840.1.113883.18.68 | PolicyType, v2-0147, policyType | 0 | 0 | |
| 2.16.840.1.113883.18.69 | MoneyOrPercentageIndicator, v2-0148, moneyOrPercentageIndicator | 0 | 0 | |
| 2.16.840.1.113883.18.70 | DayType, v2-0149, dayType | 0 | 0 | |
| 2.16.840.1.113883.18.71 | CertificationPatientType, v2-0150, certificationPatientType | 0 | 0 | |
| 2.16.840.1.113883.18.73 | AcceptApplicationAcknowledgmentConditions, v2-0155, accept-applicationAcknowledgmentConditions | 0 | 0 | |
| 2.16.840.1.113883.18.74 | WhichDateTimeQualifier, v2-0156, whichDate-timeQualifier | 0 | 0 | |
| 2.16.840.1.113883.18.75 | WhichDateTimeStatusQualifier, v2-0157, whichDate-timeStatusQualifier | 0 | 0 | |
| 2.16.840.1.113883.18.76 | DateTimeSelectionQualifier, v2-0158, date-timeSelectionQualifier | 0 | 0 | |
| 2.16.840.1.113883.18.77 | DietCodeSpecificationType, v2-0159, dietCodeSpecificationType | 0 | 0 | |
| 2.16.840.1.113883.18.78 | TrayType, v2-0160, trayType | 0 | 0 | |
| 2.16.840.1.113883.18.79 | AllowSubstitution, v2-0161, allowSubstitution | 0 | 0 | |
| 2.16.840.1.113883.18.80 | RouteOfAdministration, v2-0162, routeOfAdministration | 0 | 0 | |
| 2.16.840.1.113883.18.81 | BodySite, v2-0163, bodySite | 0 | 0 | |
| 2.16.840.1.113883.18.82 | AdministrationDevice, v2-0164, administrationDevice | 0 | 0 | |
| 2.16.840.1.113883.18.83 | AdministrationMethod, v2-0165, administrationMethod | 0 | 0 | |
| 2.16.840.1.113883.18.84 | RxComponentType, v2-0166, rxComponentType | 0 | 0 | |
| 2.16.840.1.113883.18.85 | SubstitutionStatus, v2-0167, substitutionStatus | 0 | 0 | |
| 2.16.840.1.113883.18.86 | ProcessingPriority, v2-0168, processingPriority | 0 | 0 | |
| 2.16.840.1.113883.18.87 | ReportingPriority, v2-0169, reportingPriority | 0 | 0 | |
| 2.16.840.1.113883.18.88 | DerivedSpecimen, v2-0170, derivedSpecimen | 0 | 0 | |
| 2.16.840.1.113883.18.89 | CoordinationOfBenefits, v2-0173, coordinationOfBenefits | 0 | 0 | |
| 2.16.840.1.113883.18.90 | NatureOfServiceTestObservation, v2-0174, natureOfServiceTestObservation | 0 | 0 | |
| 2.16.840.1.113883.18.91 | MasterFileIdentifierCodes, v2-0175, masterFileIdentifierCodes | 0 | 0 | |
| 2.16.840.1.113883.18.92 | ConfidentialityCodes, v2-0177, confidentialityCodes | 0 | 0 | |
| 2.16.840.1.113883.18.93 | FileLevelEvent, v2-0178, file-levelEvent | 0 | 0 | |
| 2.16.840.1.113883.18.94 | ResponseLevel, v2-0179, responseLevel | 0 | 0 | |
| 2.16.840.1.113883.18.95 | MasterfileActionCode, v2-0180, masterfileActionCode | 0 | 0 | |
| 2.16.840.1.113883.18.96 | MfnRecordLevelErrorReturn, v2-0181, mfnRecord-levelErrorReturn | 0 | 0 | |
| 2.16.840.1.113883.18.97 | ActiveInactive, v2-0183, active-inactive | 0 | 0 | |
| 2.16.840.1.113883.18.98 | PreferredMethodOfContact, v2-0185, preferredMethodOfContact | 0 | 0 | |
| 2.16.840.1.113883.18.99 | ProviderBilling, v2-0187, providerBilling | 0 | 0 | |
| 2.16.840.1.113883.18.100 | EthnicGroup, v2-0189, ethnicGroup | 0 | 0 | |
| 2.16.840.1.113883.18.101 | AddressType, v2-0190, addressType | 0 | 0 |