HL7 Terminology
2.0.0 - Publication

This page is part of the HL7 Terminology (v2.0.0: Release) based on FHIR R4. The current version which supercedes this version is 5.2.0. For a full list of available versions, see the Directory of published versions

CodeSystem: auto-DilutionType


Defining URL:http://terminology.hl7.org/CodeSystem/v2-0945
Status:Active as of 2019-12-01

Code system of vendor-defined codes that specify the pre‑configured dilution to be applied on the instrument, which can be used instead of a numeric declaration. Used in Version 2 messaging in the TCD segment.

Publisher:HL7, Inc
Committee:Orders and Observations

Copyright HL7. Licensed under creative commons public domain

Content:Complete: All the concepts defined by the code system are included in the code system resource
OID:2.16.840.1.113883.18.445 (for OID based terminology systems)
Value Set:http://terminology.hl7.org/ValueSet/v2-0945 ( is the value set for all codes in this code system)
Source Resource:XML / JSON / Turtle

This Code system is referenced in the content logical definition of the following value sets:


statushttp://terminology.hl7.org/CodeSystem/utg-concept-properties#statusStatus of the conceptcode
deprecatedhttp://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-table-deprecatedVersion of HL7 in which the code was deprecatedcode
HL7usageNoteshttp://terminology.hl7.org/CodeSystem/utg-concept-properties#HL7usageNotesHL7 Concept Usage Notesstring

This code system http://terminology.hl7.org/CodeSystem/v2-0945 defines the following codes:

CodeDisplayDefinitionHL7 Concept Usage Notes
X2 Dilution factor 2Specimen pre-diluted by factor 2 applied on the instrumentcorresponds to ^1^:^2 in TCD-2
X5 Dilution factor 5Specimen pre-diluted by factor 5 applied on the instrumentcorresponds to ^1^:^5 in TCD-2
D1 Dilution factor 1.23Specimen pre-diluted by factor 1.23 applied on the instrumentcorresponds to ^1^:^1.23 in TCD-2
D2 Dilution factor 1.45Specimen pre-diluted by factor 1.45 applied on the instrumentcorresponds to ^1^:^1.45 in TCD-2


2020-05-06reviseTed KleinVocabulary WGMigrated to the UTG maintenance environment and publishing tooling.