Reference record for OID 2.16.840.1.113883.18.79

Parent

2.16.840.1.113883.18 (18, v2CodeSystemsRoot)

Node code

Node names

AllowSubstitution
v2-0161
allowSubstitution

Numeric OID

2.16.840.1.113883.18.79

URN notation

urn:oid:2.16.840.1.113883.18.79

ASN.1 notation

{2 16 840 1 113883 18 79}

{joint-iso-itu-t(2) country(16) us(840) organization(1) hl7(113883) v2CodeSystemsRoot(18) v2-0161(79)}
{joint-iso-itu-t(2) country(16) us(840) organization(1) hl7(113883) v2CodeSystemsRoot(18) allowSubstitution(79)}
{joint-iso-itu-t(2) country(16) us-joint(840) organization(1) hl7(113883) v2CodeSystemsRoot(18) v2-0161(79)}
{joint-iso-itu-t(2) country(16) us-joint(840) organization(1) hl7(113883) v2CodeSystemsRoot(18) allowSubstitution(79)}
{joint-iso-ccitt(2) country(16) us(840) organization(1) hl7(113883) v2CodeSystemsRoot(18) v2-0161(79)}
{joint-iso-ccitt(2) country(16) us(840) organization(1) hl7(113883) v2CodeSystemsRoot(18) allowSubstitution(79)}
{joint-iso-ccitt(2) country(16) us-joint(840) organization(1) hl7(113883) v2CodeSystemsRoot(18) v2-0161(79)}
{joint-iso-ccitt(2) country(16) us-joint(840) organization(1) hl7(113883) v2CodeSystemsRoot(18) allowSubstitution(79)}

OID-IRI notation

/2/16/840/1/113883/18/79
/Country/840/1/113883/18/79
/Joint-ISO-ITU-T/16/840/1/113883/18/79

Named path variants

/joint-iso-itu-t/country/us/organization/hl7/18/AllowSubstitution
/joint-iso-itu-t/country/us/organization/hl7/18/v2-0161
/joint-iso-itu-t/country/us/organization/hl7/18/allowSubstitution
/joint-iso-itu-t/country/us/organization/hl7/v2CodeSystemsRoot/AllowSubstitution
/joint-iso-itu-t/country/us/organization/hl7/v2CodeSystemsRoot/v2-0161
/joint-iso-itu-t/country/us/organization/hl7/v2CodeSystemsRoot/allowSubstitution
/joint-iso-itu-t/country/us/organization/HL7/18/AllowSubstitution
/joint-iso-itu-t/country/us/organization/HL7/18/v2-0161
/joint-iso-itu-t/country/us/organization/HL7/18/allowSubstitution
/joint-iso-itu-t/country/us/organization/HL7/v2CodeSystemsRoot/AllowSubstitution
/joint-iso-itu-t/country/us/organization/HL7/v2CodeSystemsRoot/v2-0161
/joint-iso-itu-t/country/us/organization/HL7/v2CodeSystemsRoot/allowSubstitution
/joint-iso-itu-t/country/us-joint/organization/hl7/18/AllowSubstitution
/joint-iso-itu-t/country/us-joint/organization/hl7/18/v2-0161
/joint-iso-itu-t/country/us-joint/organization/hl7/18/allowSubstitution
/joint-iso-itu-t/country/us-joint/organization/hl7/v2CodeSystemsRoot/AllowSubstitution
Additional combinations skipped.

Descriptions

allowSubstitution — HL7 International OID Registry

HL7-defined code system of concepts which specify whether substitutions are allowed and, if so, the type of substitutions allowed. Used in HL7 Version 2.x messaging in the RXO segment.

Source records

allowSubstitution

Status in source: complete.

Names: allowSubstitution

Technical details

{
  "organization": "HL7 International",
  "coding_system_name": "Allow Substitution",
  "published_oid_type": "18"
}

HL7 International OID Registry · Publisher's source file: HL7 International OID Registry — all types, statuses and fields
HL7 report status: OID review is complete.
· Download HL7 International OID Registry — all types, statuses and fields
Source location: OID_Report.xml / OID_root[16648] / Comp_OID 2.16.840.1.113883.18.79.
Source version and references

Downloaded: 2026-10-25T23:05:32.096080+00:00.

AllowSubstitution, v2-0161

Status in source: active.

Names: AllowSubstitution, v2-0161

Technical details

{
  "url": "http://terminology.hl7.org/CodeSystem/v2-0161",
  "date": "2019-12-01",
  "title": "allowSubstitution",
  "status": "active",
  "contact": [
    {
      "telecom": [
        {
          "value": "http://hl7.org",
          "system": "url"
        },
        {
          "value": "hq@HL7.org",
          "system": "email"
        }
      ]
    }
  ],
  "purpose": "Underlying Master Code System for V2 table 0161 (Allow Substitution)",
  "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:2.16.840.1.113883.18.79",
    "system": "urn:ietf:rfc:3986"
  },
  "hierarchyMeaning": "is-a"
}

HL7 Terminology · Publisher's source file: Source package: package.tgz · Download HL7 Terminology — complete terminology package (TGZ)
Source location: package/CodeSystem-v2-0161.json#/identifier/0.
Source version and references

Downloaded: 2026-10-19T20:26:54.046133+00:00.

First Registration Authority (inferred from ancestor 2.16.840.1.113883)

W. Ted Klein

Current Registration Authority (inferred from ancestor 2.16.840.1.113883.18)

HL7 International

Siblings (445)

OID	Name	Description
2.16.840.1.113883.18.1	sex	Sex
2.16.840.1.113883.18.2	administrativeSex, AdministrativeSex, v2-0001	Administrative sex
2.16.840.1.113883.18.3	problemGoalActionCode, ProblemGoalAction, v2-0287, problem-goalAction	Health Level 7 (HL7) Table 0287 – Problem/goal action code
2.16.840.1.113883.18.4	Event, v2-0003, eventType
2.16.840.1.113883.18.5	PatientClass, v2-0004, patientClass
2.16.840.1.113883.18.6	ethnicGroup
2.16.840.1.113883.18.7	religion
2.16.840.1.113883.18.8	Religion2, v2-0006, religion2
2.16.840.1.113883.18.9	AdmissionType, v2-0007, admissionType
2.16.840.1.113883.18.10	AcknowledgmentCodes, v2-0008, acknowledgmentCodes
2.16.840.1.113883.18.11	AmbulatoryStatus, v2-0009, ambulatoryStatus
2.16.840.1.113883.18.12	StockLocation, v2-0012, stockLocation
2.16.840.1.113883.18.13	TransactionType, v2-0017, transactionType
2.16.840.1.113883.18.14	admitSource
2.16.840.1.113883.18.15	Priority, v2-0027, priority
2.16.840.1.113883.18.16	Route, v2-0033, route
2.16.840.1.113883.18.17	SiteAdministered, v2-0034, siteAdministered
2.16.840.1.113883.18.18	OrderStatus, v2-0038, orderStatus
2.16.840.1.113883.18.19	conditionCodes
2.16.840.1.113883.18.20	WhatSubjectFilter, v2-0048, whatSubjectFilter
2.16.840.1.113883.18.21	DiagnosisType, v2-0052, diagnosisType
2.16.840.1.113883.18.22	CheckDigitScheme, v2-0061, checkDigitScheme
2.16.840.1.113883.18.23	EventReason, v2-0062, eventReason
2.16.840.1.113883.18.24	Relationship, v2-0063, relationship
2.16.840.1.113883.18.25	SpecimenAction, v2-0065, specimenAction
2.16.840.1.113883.18.26	EmploymentStatus, v2-0066, employmentStatus
2.16.840.1.113883.18.27	HospitalService, v2-0069, hospitalService
2.16.840.1.113883.18.28	SpecimenSourceCodes, v2-0070, specimenSourceCodes
2.16.840.1.113883.18.29	DiagnosticServiceSectionId, v2-0074, diagnosticServiceSectionId
2.16.840.1.113883.18.30	MessageType, v2-0076, messageType
2.16.840.1.113883.18.31	interpretationCodes
2.16.840.1.113883.18.32	NatureOfAbnormalTesting, v2-0080, natureOfAbnormalTesting
2.16.840.1.113883.18.33	OutlierType, v2-0083, outlierType
2.16.840.1.113883.18.34	ObservationResultStatusCodesInterpretation, v2-0085, observationResultStatusCodesInterpretation
2.16.840.1.113883.18.35	QueryPriority, v2-0091, queryPriority
2.16.840.1.113883.18.36	ReAdmissionIndicator, v2-0092, re-admissionIndicator
2.16.840.1.113883.18.37	TypeOfAgreement, v2-0098, typeOfAgreement
2.16.840.1.113883.18.38	InvocationEvent, v2-0100, invocationEvent
2.16.840.1.113883.18.39	DelayedAcknowledgmentType, v2-0102, delayedAcknowledgmentType
2.16.840.1.113883.18.40	ProcessingId, v2-0103, processingId
2.16.840.1.113883.18.41	VersionId, v2-0104, versionId
2.16.840.1.113883.18.42	SourceOfComment, v2-0105, sourceOfComment
2.16.840.1.113883.18.43	QueryResponseFormat, v2-0106, queryResponseFormat
2.16.840.1.113883.18.44	DeferredResponseType, v2-0107, deferredResponseType
2.16.840.1.113883.18.45	QueryResultsLevel, v2-0108, queryResultsLevel
2.16.840.1.113883.18.46	ReportPriority, v2-0109, reportPriority
2.16.840.1.113883.18.47	BedStatus, v2-0116, bedStatus
2.16.840.1.113883.18.48	OrderControlCodes, v2-0119, orderControlCodes
2.16.840.1.113883.18.49	ResponseFlag, v2-0121, responseFlag
2.16.840.1.113883.18.50	ChargeType, v2-0122, chargeType