{2 16 840 1 113883 18 439}
HL7-defined code system of concepts specifying types of observations to enable systems to distinguish between observations sent along with an order, versus observations sent as the result to an order. Used in HL7 Version 2.x messaging in the OBX segment.
Status in source: active.
Names: ObservationType, v2-0936
{
"url": "http://terminology.hl7.org/CodeSystem/v2-0936",
"date": "2019-12-01",
"title": "observationType",
"status": "active",
"contact": [
{
"telecom": [
{
"value": "http://hl7.org",
"system": "url"
},
{
"value": "hq@HL7.org",
"system": "email"
}
]
}
],
"purpose": "Underlying Master Code System for V2 table 0936 (Observation Type)",
"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:2.16.840.1.113883.18.439",
"system": "urn:ietf:rfc:3986"
},
"hierarchyMeaning": "is-a"
}Downloaded: 2026-10-19T20:26:54.046133+00:00.
Status in source: complete.
Names: observationType
{
"organization": "HL7 International",
"coding_system_name": "Observation Type",
"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 |
|---|---|---|---|---|
| 2.16.840.1.113883.18.407 | Package, v2-0818, package | 0 | 0 | |
| 2.16.840.1.113883.18.408 | MimeTypes, v2-0834, mimeTypes | 0 | 0 | |
| 2.16.840.1.113883.18.409 | TelecommunicationExpirationReason, v2-0868, telecommunicationExpirationReason | 0 | 0 | |
| 2.16.840.1.113883.18.410 | SupplyRisk, v2-0871, supplyRisk | 0 | 0 | |
| 2.16.840.1.113883.18.411 | RoleExecutingPhysician, v2-0881, roleExecutingPhysician | 0 | 0 | |
| 2.16.840.1.113883.18.412 | MedicalRoleExecutingPhysician, v2-0882, medicalRoleExecutingPhysician | 0 | 0 | |
| 2.16.840.1.113883.18.413 | SideOfBody, v2-0894, sideOfBody | 0 | 0 | |
| 2.16.840.1.113883.18.415 | SecurityCheckScheme, v2-0904, securityCheckScheme | 0 | 0 | |
| 2.16.840.1.113883.18.416 | ShipmentStatus, v2-0905, shipmentStatus | 0 | 0 | |
| 2.16.840.1.113883.18.417 | Actpriority, v2-0906, actpriority | 0 | 0 | |
| 2.16.840.1.113883.18.418 | Confidentiality, v2-0907, confidentiality | 0 | 0 | |
| 2.16.840.1.113883.18.419 | PatientResultsReleaseCategorizationScheme, v2-0909, patientResultsReleaseCategorizationScheme | 0 | 0 | |
| 2.16.840.1.113883.18.420 | Participation, v2-0912, participation | 0 | 0 | |
| 2.16.840.1.113883.18.421 | RootCause, v2-0914, rootCause | 0 | 0 | |
| 2.16.840.1.113883.18.422 | RelevantClincialInformation, v2-0916, relevantClincialInformation | 0 | 0 | |
| 2.16.840.1.113883.18.423 | BolusType, v2-0917, bolusType | 0 | 0 | |
| 2.16.840.1.113883.18.424 | PcaType, v2-0918, pcaType | 0 | 0 | |
| 2.16.840.1.113883.18.425 | ExclusiveTest, v2-0919, exclusiveTest | 0 | 0 | |
| 2.16.840.1.113883.18.426 | PreferredSpecimenAttributeStatus, v2-0920, preferredSpecimen-AttributeStatus | 0 | 0 | |
| 2.16.840.1.113883.18.427 | CertificationType, v2-0921, certificationType | 0 | 0 | |
| 2.16.840.1.113883.18.428 | CertificationCategory, v2-0922, certificationCategory | 0 | 0 | |
| 2.16.840.1.113883.18.429 | ProcessInterruption, v2-0923, processInterruption | 0 | 0 | |
| 2.16.840.1.113883.18.430 | CumulativeDosageLimitUom, v2-0924, cumulativeDosageLimitUom | 0 | 0 | |
| 2.16.840.1.113883.18.431 | PhlebotomyIssue, v2-0925, phlebotomyIssue | 0 | 0 | |
| 2.16.840.1.113883.18.432 | PhlebotomyStatus, v2-0926, phlebotomyStatus | 0 | 0 | |
| 2.16.840.1.113883.18.433 | ArmStick, v2-0927, armStick | 0 | 0 | |
| 2.16.840.1.113883.18.434 | IntendedProcedureType, v2-0933, intendedProcedureType | 0 | 0 | |
| 2.16.840.1.113883.18.435 | ProcessInterruptionReason, v2-0935, processInterruptionReason | 0 | 0 | |
| 2.16.840.1.113883.18.436 | NameAddressRepresentation, v2-4000, name-addressRepresentation | 0 | 0 | |
| 2.16.840.1.113883.18.438 | dischargeDisposition | 0 | 0 | |
| 2.16.840.1.113883.18.440 | ObservationSubtype, v2-0937, observationSubtype | 0 | 0 | |
| 2.16.840.1.113883.18.441 | CollectionEvent, v2-0938, collectionEvent | 0 | 0 | |
| 2.16.840.1.113883.18.442 | CommunicationLocation, v2-0939, communicationLocation | 0 | 0 | |
| 2.16.840.1.113883.18.443 | LimitationTypeCode, v2-0940, limitationTypeCode | 0 | 0 | |
| 2.16.840.1.113883.18.444 | EquipmentStateIndicator, v2-0942, equipmentStateIndicator | 0 | 0 | |
| 2.16.840.1.113883.18.445 | AutoDilutionType, v2-0945, auto-DilutionType | 0 | 0 | |
| 2.16.840.1.113883.18.446 | SupplierType, v2-0946, supplierType | 0 | 0 | |
| 2.16.840.1.113883.18.447 | approvalIndicator | 0 | 0 | |
| 2.16.840.1.113883.18.448 | V2CSRelationshipType, v2-0948, v2CS-relationshipType | 0 | 0 | |
| 2.16.840.1.113883.18.449 | OrderControlCodeReason, v2-0949, orderControlCodeReason | 0 | 0 | |
| 2.16.840.1.113883.18.450 | OrderStatusModifier, v2-0950, orderStatusModifier | 0 | 0 | |
| 2.16.840.1.113883.18.451 | ReasonForStudy, v2-0951, reasonForStudy | 0 | 0 | |
| 2.16.840.1.113883.18.453 | OnlineVerificationResult, v2-0970 | 0 | 0 | |
| 2.16.840.1.113883.18.454 | OnlineVerificationResultErrorCodes, v2-0971 | 0 | 0 | |
| 2.16.840.1.113883.18.455 | QuantityUnits, v2-0560 | 0 | 0 |